| A | B |
|---|
| "a, ac, ad, af, ag, al, an, ap, as, at, aside, accompany, adjust, aggression, allocate, annihilate, affix, associate, attend, adverb" | "to, toward, near, in addition to, by" |
| "a-, an-, apolitical, atheist, anarchy, anonymous, apathy, aphasia, anemia" | "not, without" |
| "ab, abs, absolve, abrupt, absent" | "away from, off" |
| "-able, -ible, solvable, incredible" | "Adjective: worth, ability" |
| "acer, acid, acri, acerbic, acidity, acrid, acrimony" | "bitter, sour, sharp" |
| "act, ag, active, react, agent, active, agitate" | "do, act, drive" |
| "acu, acute, acupuncture, accurate" | "sharp" |
| "-acy, -cy, privacy, infancy, adequacy, intimacy, supremacy" | "Noun: state or quality" |
| "-ade, blockade, lemonade" | "act, product, sweet drink" |
| "aer, aero, aerial, aerosol, aerodrome" | "air, atmosphere, aviation" |
| "ag, agi, ig, act, agent, agenda, agitate, navigate, ambiguous, action" | "do, move, go" |
| "-age, courage, suffrage, shrinkage, tonnage" | "Noun: activity, or result of action" |
| "agri, agro, agriculture, agroindustry" | "pertaining to fields or soil" |
| "-al, referral, disavowal, disposal, festival" | "Noun: action, result of action" |
| "-al, -ial, -ical, structural, territorial, categorical" | "Adjective: quality, relation" |
| "alb, albo, albino, albite" | "white, without pigment" |
| "ali, allo, alter, alias, alibi, alien, alloy, alter, alter ego, altruism" | "other" |
| "alt, altimeter, altitude" | "high, deep" |
| "am, ami, amor, amorous, amiable, amicable, enamoured" | "love, like, liking" |
| "ambi, ambidextrous" | "both" |
| "ambul, ambulatory, amble, ambulance, somnambulist" | "to walk" |
| "-an, artisan, guardian, historian, magician" | "Noun: person" |
| "ana, ano, anode, anagram, anagenetic" | "up, back, again, anew" |
| "-ance, -ence, resistance, independence, extravagance, fraudulence" | "Noun: action, state, quality or process" |
| "-ancy, -ency, vacancy, agency, truancy, latency" | "Noun: state, quality or capacity" |
| "andr, andro, androcentric, android" | "male, characteristics of men" |
| "ang, angle" | "angular" |
| "anim, animal, animate, animosity" | "mind, life, spirit, anger" |
| "ann, annu, enni, annual, annual, annuity, anniversary, perrenial" | "yearly" |
| "-ant, -ent, disinfectant, dependent, fragrant" | "Noun: an agent, something that performs the action" |
| "-ant, -ent, -ient, important, dependent, convenient" | "Adjective: kind of agent, indication" |
| "ante, anterior, anteroom, antebellum, antedate, antecedent antediluvian" | "before" |
| "anthrop, anthropology, misanthrope, philanthropy" | "man" |
| "anti, ant, antisocial, antiseptic, antithesis, antibody, antinomies, antifreeze, antipathy" | "against, opposite" |
| "anti, antico, antique, antiquated, antiquity" | "old" |
| "apo, ap, aph, apology, apocalypse, aphagia" | "away from, detached, formed" |
| "aqu, aqueous" | "water" |
| "-ar, -ary, spectacular, unitary" | "Adjective: resembling, related to" |
| "arch, archangel, architect, archaic, monarchy, matriarchy, patriarchy, Archeozoic era" | "chief, first, rule" |
| "-ard, -art, braggart, drunkard, wizard" | "Noun: characterized" |
| "aster, astr, aster, asterisk, asteroid, astronomy, astronaut" | "star" |
| "-ate, candidate, electorate, delegate" | "Noun: state, office, fuction" |
| "-ate, graduate, ameliorate, amputate, colligate" | "Verb: cause to be" |
| "-ate, inviolate" | "Adjective: kind of state" |
| "-ation, specialization, aggravation, alternation" | "Noun: action, resulting state" |
| "auc, aug, aut, augment , author, augment, auction" | "to originate, to increase" |
| "aud, audi, aur, aus, audience, audio, audible, auditorium, audiovisual, audition, auricular, ausculate" | "to hear, listen" |
| "aug, auc, augur, augment, auction" | "increase" |
| "aut, auto, automobile, automatic, automotive, autograph, autonomous, autoimmune" | "self" |
| "bar, barometer" | "weight, pressure" |
| "be, berate, bedeck, bespeak, belittle, beleaguer" | "on, around, over, about, excessively, make, cause, name, affect" |
| "belli, rebellion, belligerent, casus belli, bellicose" | "war" |
| "bene, benefactor, beneficial, benevolent, benediction, beneficiary, benefit" | "good, well, gentle" |
| "bi, bine, biped, bifurcate, biweekly, bivalve, biannual" | "two" |
| "bibl, bibli, biblio, bibliophile, bibliography, Bible" | "book" |
| "bio, bi, biography, biology, biometricsm biome, biosphere" | "life" |
| "brev, abbreviate, brevity, brief" | "short" |
| "cad, cap, cas, ceiv, cept, capt, cid, cip, receive, deceive, capable, capacious, captive, accident, capture, occasion, concept, intercept, forceps, except, reciprocate" | "to take, to seize, to hold" |
| "cad, cas, cadaver, cadence, cascade" | "to fall" |
| "-cade, motorcade" | "procession" |
| "calor, calorie, caloric, calorimeter" | "heat" |
| "capit, capt, decapitate, capital, captain, caption" | "head" |
| "carn, carnivorous, incarnate, reincarnation, carnal" | "flesh" |
| "cat, cata, cath, catalogue, category, catheter" | "down, with" |
| "caus, caut, caustic, cauldron, cauterize" | "burn, heat" |
| "cause, cuse, cus, because, excuse, accusation" | "cause, motive" |
| "ceas, ced, cede, ceed, cess, succeed, proceed, precede, recede, secession, exceed, succession" | "to go, to yield, move, go, surrender" |
| "cent, centennial, century, centipede" | "hundred" |
| "centr, centri, eccentricity, centrifugal, concentric, eccentric" | "center" |
| "chrom, chrome, chromosome, polychrome, chromatic" | "color" |
| "chron, chronology, chronic, chronicle chronometer, anachronism, synchronize" | "time" |
| "cide, cis, cise, fratricide, homicide, incision, incision, circumcision, scissors" | "to kill, to cut, cut down" |
| "circum, circumnavigate, circumflex, circumstance, circumcision, circumference, circumorbital, circumlocution, circumvent, circumscribe, circulatory" | "around" |
| "cit, incite, citation, cite" | "call, start" |
| "civ, civic, civil, civilian, civilization" | "citizen" |
| "clam, claim, exclamation, clamor, proclamation, reclamation, acclaim" | "cry out" |
| "clin, decline, aclinic, inclination" | "lean, bend" |
| "clud, clus claus, include, exclude, clause, claustrophobia, enclose, exclusive, reclusive, conclude" | "to close, shut" |
| "co, cog, col, coll, con, com, cor, cohesiveness, cognate, collaborate, convene, commitment, compress, contemporary, converge, compact, confluence, convenient, concatenate, conjoin, combine, correct" | "with, together" |
| "cogn, gnos, recognize, cognizant, diagnose, agnostic, incognito, prognosis" | "to know" |
| "com, con, complete, compel, conscious, condense, confess, confirm" | "fully" |
| "contr, contra, counter, contradict, counteract, contravene, contrary, counterspy, contrapuntal" | "against, opposite" |
| "cord, cor, cardi, cordial, concord, discord, courage, encourage" | "heart" |
| "corp, corporation, corporal punishment, corpse, corpulent, corpus luteum" | "body" |
| "cort, escort, cortage" | "correct" |
| "cosm, cosmos, microcosm, cosmopolitan, cosmonaut" | "universe, world" |
| "cour, cur, curr, curs, occur, excursion, discourse, courier, course" | "run, course" |
| "crat, cracy, autocrat, aristocrat, theocracy, technocracy" | "rule" |
| "cre, cresc, cret, crease, create, crescent, accretion, increase" | "grow" |
| "crea, creature, recreation, creation" | "create" |
| "cred, creed, credo, credence, credit, credulous, incredulous, incredible" | "believe" |
| "cresc, cret, crease, cru, crescendo, concrete, increase, decrease, accrue" | "rise, grow" |
| "crit, critical, criterion, hypocrite" | "separate, choose" |
| "cur, curs, current, concurrent, concur, incur, recur, occur, courier, precursor, cursive" | "run" |
| "cura, curator, curative, manicure" | "care" |
| "cycl, cyclo, Cyclops, unicycle, bicycle, cyclone, cyclic" | "wheel, circle, circular" |
| "de-, detach, deploy, derange, decrease, deodorize, devoid, deflate, degenerate" | "from, down, away, to do the opposite, reverse, against" |
| "dec, deca, decimal, decade, decalogue, decimate, decathlon" | "ten, ten times" |
| "dec, dign, decent decorate dignity" | "suitable" |
| "dei, div, divinity, divine, deity, divination, deify" | "God" |
| "dem, demo, democracy, demography, demagogue, epidemic" | "people, populace, population" |
| "dent, dont, dental, denture, orthodontist, periodontal" | "tooth" |
| "derm, hypodermic, dermatology, epidermis, taxidermy" | "skin, covering" |
| "di-, dy-, divide, diverge, diglycerides" | "two, twice, double" |
| "dia, diameter, diagonal, dialogue dialect, dialectic, diagnosis, diachronic" | "through, across, between" |
| "dic, dict, dit, dictation, dictionary, dictate, dictator, Dictaphone, edict, predict, verdict, contradict, benediction" | "say, speak" |
| "dis, dif, dismiss, differ, disallow, disperse, dissuade, divide, disconnect, disproportion, disrespect, distemper, disarray" | "not, opposite of, reverse, separate, deprive of, away" |
| "dit, credit, audit" | "give" |
| "doc, doct, docile, doctor, doctrine, document, dogma, indoctrinate" | "teach, prove" |
| "domin, dominate, dominion, predominant, domain" | "master, that which is under control" |
| "don, donate, condone" | "give" |
| "dorm, dormant, dormitory" | "sleep" |
| "dox, orthodox, heterodox, paradox, doxology" | "thought, opinion, praise" |
| "-drome, syndrome, aerodrome, velodrome" | "run, step" |
| "duc, duct, produce, abduct, product, transducer, viaduct, aqueduct, induct, deduct, reduce, induce" | "to lead, pull" |
| "dura, durable, duration, endure" | "hard, lasting" |
| "dynam, dynamo, dynamic, dynamite, hydrodynamics" | "power" |
| "dys-, dysfunctional, dyslexia, dyspathy" | "bad, abnormal, difficult, impaired, unfavorable" |
| "e-, emit, embed, eternal,ether, erase, email, e-tailer" | "not, missing, out, fully, away, computer network related" |
| "ec-, echo, eclipse, eclectic, ecesis, ecstasy, exzema" | "out of, outside" |
| "eco-, ecology, economize, ecospheres, ecomanagement" | "household, environment, relating to ecology or economy" |
| "ecto-, ectomorph, ectoderm, ectoplasm" | "outside, external" |
| "-ed, dressed, faded, patted, closed, introduced" | "Verb: past tense" |
| "-ed, winged, moneyed, dogged, tiered" | "Adjective: having the quality or characteristics of" |
| "-en, lengthen, moisten, sharpen" | "Verb: to cause to become" |
| "-en, golden, woolen, silken" | "Adjective: material" |
| "en-, em-, enamor, embolden, enslave, empower, entangle" | "put into, make, provide with, surround with" |
| "-ence, -ency, reference, emergency, dependence, eminence, latency" | "Noun: action or process, quality or state" |
| "end-, endorse, endocardial, endergonic, endoskeleton, endoscope, endogenous" | "inside, within" |
| "epi-, epicenter, epicarp, epilogue, epigone, epidiorite" | "upon, close to, over, after, altered" |
| "equi-, equidistant, equilateral, equilibrium, equinox, equation, equator" | "equal" |
| "-er, -ier, better, brighter, sooner, hotter, happier" | "Adjective: comparative" |
| "-er, -or, flyer, reporter, player, member, fryer, collector, concentrator" | "Noun: person or thing that does something" |
| "-er, -or, ponder, dishonor, clamor" | "Verb: action" |
| "erg, energy, erg, allergy, ergometer, ergograph, ergophobia" | "work, effect" |
| "-ery, snobbery, bakery, geenery, gallery, slavery" | "collective qualities, art, practice, trade, collection, state, condition" |
| "-es, -ies, passes, glasses, ladies, heroes" | "Noun: plural of most nouns ending in -ch, -s, -sh, -o and -z and some in -f and -y" |
| "-es, -ies, blesses, hushes, fizzes, defies" | "Verb: third person singular present indicative of verbs that end in -ch, -s, -sh, - and some in -y" |
| "-ess, actress, goddess, poetess" | "female" |
| "-est, -iest, latest, strongest, luckiest, lyingest" | "Adjective or Adverb: superlative" |
| "ev-, et-, medieval, eternal" | "time, age" |
| "ex-, exit, exhale, exclusive, exceed, explosion, ex-mayor" | "out of, away from, lacking, former" |
| "exter-, extra-, extro-, external, extrinsic, extraordinary, extrapolate, extraneous, extrovert" | "outside of, beyond" |
| "fa, fess, fable, fabulous, fame, famous, confess, profess" | "speak" |
| "fac, fact, fec, fect, fic, fas, fea, difficult, fashion, feasible, feature, factory, fact, effect, manufacture, amplification, confection" | "do, make" |
| "fall, fals, fallacy, falsify, fallacious" | "deceive" |
| "femto, femtosecond" | "quadrillionth" |
| "fer, ferry, coniferous, fertile, defer, infer, refer, transfer" | "bear, carry" |
| "fic, feign, fain, fit, feat, fiction, faint, feign" | "shape, make, fashion" |
| "fid, confide, diffident, fidelity" | "belief, faith" |
| "fid, fide, feder, confidante, fidelity, confident, infidelity, infidel, federal, confederacy, semper fi" | "faith, trust" |
| "fig, figurem, effigy, figure, figment" | "shape, form" |
| "fila, fili, filigree, filament, filter, filet, filibuster" | "thread" |
| "fin, final, finite, finish, confine, fine, refine, define, finale" | "end, ended, finished" |
| "fix, fix, fixation, fixture, affix, prefix, suffix" | "repair, attach" |
| "flex, flect, flex, reflex, flexible, flexor, inflexibility, reflect, deflect,circumflex" | "bend" |
| "flict, affliction, conflict, inflict" | "strike" |
| "flu, fluc, fluv, flux, influence, fluid, flue, flush, fluently, fluctuate, reflux, influx" | "flow" |
| "-fold, fourfold" | "Adverb: in a manner of, marked by" |
| "for, fore, forecast, fortune, foresee" | "before" |
| "forc, fort, effort, fort, forte, fortifiable, fortify, forte, fortitude" | "strength, strong" |
| "form, form, format, conform, formulate, perform, formal, formula" | "shape, resemble" |
| "fract, frag, frai, fracture, infraction, fragile, fraction, refract, frail" | "break" |
| "fuge, subterfuge, refuge, centrifuge" | "flee" |
| "-ful, mouthful" | "Noun: an amount or quanity that fills" |
| "-ful, fanciful" | "Adjective: having, giving, marked by" |
| "fuse, confuse, transfuse" | "pour" |
| "-fy, falsify, dandify" | "make, form into" |
| "gam, bigamy, monogamy, polygamy" | "marriage" |
| "gastr, gastro, gastric, gastronomic, gastritis, gastropod" | "stomach" |
| "gen, generous" | "kind" |
| "gen, genesis, genetics, eugenics, genealogy, generate, genetic, antigen, pathogen" | "birth, race, produce" |
| "geo, geometry, geography, geocentric, geology" | "earth" |
| "germ, germination, germ, germane" | "vital part" |
| "gest, congest, gestation" | "carry, bear" |
| "giga, gigabyte, gigaflop" | "billion" |
| "gin, gingerly" | "careful" |
| "gloss, glot, glossary, polyglot, epiglottis" | "tongue" |
| "glu, glo, glue, agglutinate, conglomerate" | "lump, bond, glue" |
| "gor, category, categorize" | "to gather, to bring together" |
| "grad, gress, gree, grade, degree, progress, gradual, graduate, egress" | "to gather, to bring together, step, go" |
| "graph, gram, graf, graph, graphic, autograph, photography, graphite, telegram, polygraph, grammar, biography, lithograph, graphic" | "write, written, draw" |
| "grat, congratulate, gratuity, grateful, ingrate" | "pleasing" |
| "grav, grave, gravity, aggravate, gravitate" | "heavy, weighty" |
| "greg, gregarious, congregation, segregate, gregarian" | "herd" |
| "hale, heal, inhale, exhale, heal, healthy, healthiness" | "make whole, sound" |
| "helio, heliograph, heliotrope, heliocentric" | "sun" |
| "hema, hemo, hemorrhage, hemoglobin, hemophilia, hemostat" | "blood" |
| "her, here, hes, adhere, cohere, cohesion, inherent, hereditary, hesitate" | "stick" |
| "hetero, heterodox, heterogeneous, heterosexual, heterodyne" | "other, different" |
| "hex, ses, sex, hexagon, hexameter, sestet, sextuplets" | "six" |
| "homo, homogenize, homosexual, homonym, homophone" | "same" |
| "hum, human, humus, exhume, humane" | "earth, ground, man" |
| "hydr, hydra, hydro, dehydrate, hydrant, hydraulic, hydraulics, hydrogen, hydrophobia" | "water" |
| "hyper, hyperactive, hypertensive, hyperbolic, hypersensitive, hyperventilate, hyperkinetic" | "over, above" |
| "hypn, hypnosis, hypnotherapy" | "sleep" |
| "-ia, phobia" | "Noun: names, diseases" |
| "-ian, an, pedestrian, human" | "Noun: related to, one that is" |
| "-iatry, psychiatry" | "Noun: art of healing" |
| "-ic, generic" | "Adjective: quality, relation" |
| "-ic, ics, arithmetic, economics" | "Noun: related to the arts and sciences" |
| "-ice, malice" | "Noun: act" |
| "-ify, specify" | "Verb: cause" |
| "ignis, ignite, igneous, ignition" | "fire" |
| "-ile, projectile" | "Adjective: having the qualities of" |
| "in, im, instead, import" | "into, on, near, towards" |
| "in, im, il, ir, illegible, irresolute, inaction, inviolate, innocuous, intractable, innocent, impregnable, impossible, imposter" | "not" |
| "infra, infrared, infrastructure" | "beneath" |
| "-ing, flooring, swimming, building" | "Noun: material made for, activity, result of an activity" |
| "-ing, depicting" | "Verb: present participle" |
| "-ing, cohering" | "Adjective: activity" |
| "inter, international, intercept, interject, intermission, internal, intermittent," | "between, among" |
| "intra, intramural, intranet, intranatal" | "within, during, between layers, underneath" |
| "intro, interoffice, introvert, introspection, introduce" | "into, within, inward" |
| "-ion, abduction" | "Noun: condition or action" |
| "-ish, newish" | "Adjective: having the character of" |
| "-ism, formalism" | "Noun: doctrine, belief, action or conduct" |
| "-ist, podiatrist" | "Noun: person or member" |
| "-ite, graphite" | "Noun: state or quality" |
| "-ity, ty, lucidity, novelty" | "Noun: state or quality" |
| "-ive, native" | "Noun: condition" |
| "-ive, -ative, -itive, festive, cooperative, sensitive" | "Adjective: having the quality of" |
| "-ize, fantasize" | "Verb: cause" |
| "jac, ject, reject, eject, project, trajectory, interject, dejected, inject, ejaculate, adjacent" | "throw" |
| "join, junct, adjoining, enjoin, juncture, conjunction, injunction, conjunction" | "join" |
| "judice, prejudice" | "judge" |
| "jug, junct, just, junction, adjust, conjugal" | "to join" |
| "juven, juvenile, rejuvenate" | "young" |
| "labor, laborious, belabor" | "work" |
| "lau, lav, lot, lut, launder, lavatory, lotion, ablution, dilute" | "wash" |
| "lect, leg, lig, collect, legible, eligible" | "choose, gather, select, read" |
| "leg, legal, legislate, legislature, legitimize" | "law" |
| "-less, motiveless" | "Adjective: without, missing" |
| "levi, alleviate, levitate, levity" | "light" |
| "lex, leag, leg, legal, college, league" | "law" |
| "liber, liver, liberty, liberal, liberalize, deliverance" | "free" |
| "lide, collide, nuclide" | "strike" |
| "liter, literary, literature, literal, alliteration, obliterate" | "letters" |
| "loc, loco, location, locally, locality, allocate, locomotion" | "place, area" |
| "log, logo, ology, catalog, prologue, dialogue, zoology, logo" | "word, study, say, speech, reason, study" |
| "loqu, locut, eloquent, loquacious, colloquial, circumlocution" | "talk, speak" |
| "luc, lum, lun, lus, lust, translucent, luminary, luster, luna, illuminate, illustrate" | "light" |
| "lude, prelude" | "play" |
| "-ly, fluently" | "Adverb: in the manner of" |
| "macr-, macer, emaciated, meager" | "lean" |
| "magn, magnify, magnificent, magnanimous, magnate, magnitude, magnum" | "great" |
| "main, mainstream, mainsail, domain, remain" | "strength, foremost" |
| "mal, malformation, maladjusted, dismal, malady, malcontent,malfunction, malfeasance, maleficent" | "bad, badly" |
| "man, manu, manual, manage, manufacture, manacle, manicure, manifest, maneuver, emancipate, management" | "hand, make, do" |
| "mand, mandatory, remand, mandate" | "command" |
| "mania, mania, maniac, kleptomania, pyromania" | "madness" |
| "mar, mari, mer, marine, marsh, maritime, mermaid" | "sea, pool" |
| "matri, matrimony, maternal, matriarchate, matron" | "mother" |
| "medi, mediate, medieval, Mediterranean, mediocre, medium" | "half, middle, between, halfway" |
| "mega, megaphone, megaton, megaflop, megalomaniac, megabyte, megalopolis" | "great, million" |
| "mem, memo, commemoration, memento, memoir, memorable" | "recall, remember" |
| "ment, mental, mention" | "mind" |
| "-ment, document" | "Noun: condition or result" |
| "meso, mesomorph, mesoamerica, mesosphere" | "middle" |
| "meta, metaphor, metamorphosis, metabolism, metahistorical, metainformation" | "beyond, change" |
| "meter, meter, voltammeter, barometer, thermometer" | "measure" |
| "metr, metrics, asymmetric, parametric, telemetry" | "admeasure, apportion" |
| "micro, microscope, microfilm, microcard, microwave, micrometer, microvolt" | "small, millionth" |
| "migra, migrate, emigrant, immigrate" | "wander" |
| "mill, kilo, millennium, kilobyte, kiloton" | "thousand" |
| "milli, millisecond, milligram, millivolt" | "thousandth" |
| "min, minute, minor, minuscule" | "little, small" |
| "mis, misconduct, misinform, misinterpret, mispronounce, misnomer, mistake, misogynist" | "wrong, bad, badly" |
| "mit, miss, emit, remit, submit, admit, commit, permit, transmit, omit, intermittent, mission, missile" | "send" |
| "mob, mov, mot, motion, remove, mobile, motor" | "move" |
| "mon, monument, admonition, monitor, premonition" | "warn, remind" |
| "mono, monopoly, monotype, monologue, mononucleosis, monorail, monotheist," | "one" |
| "mor, mort, mortal, immortal, mortality, mortician, mortuary" | "mortal, death" |
| "morph, amorphous, dimorphic, metamorphosis, morphology, polymorphic, morpheme, amorphous" | "shape, form" |
| "multi, multifold, multilingual, multiped, multiply, multitude, multipurpose, multinational" | "many, much" |
| "nano, nanosecond, nanobucks" | "billionth" |
| "nasc, nat, gnant, nai, nascent, native, pregnant, naive" | "to be born" |
| "nat, nasc, innate, natal, native, renaissance" | "to be from, to spring forth" |
| "neo, Neolithic, nuveau riche, neologism, neophyte, neonate" | "new" |
| "-ness, kindness" | "Noun: state, condition, quality" |
| "neur, neuritis, neuropathic, neurologist, neural, neurotic" | "nerve" |
| "nom, autonomy, astronomy, gastronomy, economy" | "law, order" |
| "nom, nym, nominate, synonym" | "name" |
| "nomen, nomin, nomenclature, nominate, ignominious" | "name" |
| "non, nonagon" | "nine" |
| "non, nonferrous, nonsense, nonabrasive, nondescript" | "not" |
| "nov, novel, renovate, novice, nova, innovate" | "new" |
| "nox, noc, nocturnal, equinox, noctilucent" | "night" |
| "numer, numeral, numeration, enumerate, innumerable" | "number" |
| "numisma, numismatics" | "coin" |
| "ob, oc, of, op, oppose, occur, offer, obtain" | "toward, against, in the way" |
| "oct, octopus, octagon, octogenarian, octave" | "eight" |
| "oligo, Oligocene, oligosaccharide, oligotrophic, oligarchy" | "few, little" |
| "omni, omnipotent, omniscient, omnipresent, omnivorous" | "all, every" |
| "onym, anonymous, pseudonym, antonym, synonym" | "name" |
| "oper, operate, cooperate, opus" | "work" |
| "-or, valor, honor, humor, minor" | "Noun: condition or activity" |
| "ortho, orthodox, orthodontist, orthopedic, unorthodox" | "straight, correct" |
| "-ory, territory, rectory" | "Noun: place for, serves for" |
| "-ous, -eous, -ose, -ious, adventurous, courageous, verbose, fractious" | "Adjective: having the quality of, relating to" |
| "over, overwork, overall, overwork" | "excessive, above" |
| "pac, pacifist, pacify, pacific ocean" | "peace" |
| "pair, pare, repair, impair, compare, prepare" | "arrange, assemblage, two" |
| "paleo, Paleozoic, Paleolithic, paleomagnetism, paleopsychology" | "old" |
| "pan, Pan-American, pan-African, panacea, pandemonium (place of all the demons)," | "all" |
| "para, paradox, paraprofessional, paramedic, paraphrase, parachute" | "beside" |
| "pat, pass, path, patient, passion, sympathy, pathology" | "feel, suffer" |
| "pater, patr, paternity, patriarch, patriot, patron, patronize" | "father" |
| "path, pathy, pathos, sympathy, antipathy, apathy, telepathy" | "feeling, suffering" |
| "ped, pod, pedal, impede, pedestrian, centipede, tripod, podiatry, antipode, podium" | "foot" |
| "pedo, orthopedic, pedagogue, pediatrics" | "child" |
| "pel, puls, compel, dispel, expel, repel, propel, pulse, impulse, pulsate, compulsory, expulsion, repulsive" | "drive, push, urge" |
| "pend, pens, pond, pendant, pendulum, suspend, appendage, pensive, append" | "hang, weigh" |
| "per, persecute, permit, perspire, perforate, persuade" | "through, intensive" |
| "peri, periscope, perimeter, perigee, periodontal" | "around" |
| "phage, macrophage, bacteriophage" | "eat" |
| "phan, phas, phen, fan, phant, fant, phantom, fantasy" | "show, make visible" |
| "phe, blaspheme, cipher, phenomenon, philosopher" | "speak" |
| "phil, philosopher, philanthropy, philharmonic, bibliophile" | "love" |
| "phlegma, phlegm, phlegmatic" | "inflammation" |
| "phobia, phobos, phobia, claustrophobia, acrophobia, aquaphobia, ergophobia, homophobia" | "fear" |
| "phon, telephone, phonics, phonograph, phonetic, homophone, microphone, symphony, euphonious" | "sound" |
| "phot, photo, photograph, photoelectric, photogenic, photosynthesis, photon" | "light" |
| "pico, picofarad, picocurie, picovolt" | "trillionth" |
| "pict, picture, depict" | "paint, show, draw" |
| "plac, plais, placid, placebo, placate, complacent" | "please" |
| "pli, ply, reply, implicate, ply" | "fold" |
| "plore, implore, exploration, deploring" | "cry out, wail" |
| "plu, plur, plus, plural, pluralist, plus" | "more" |
| "pneuma, pneumon, pneumatic, pneumonia," | "breath" |
| "pod, podiatry, tripod" | "foot, feet" |
| "poli, metropolis, police, politics, Indianapolis, megalopolis, acropolis" | "city" |
| "poly, polytheist, polygon, polygamy, polymorphous" | "many" |
| "pon, pos, pound, postpone, component, opponent, proponent, expose, impose, deposit, posture, position, expound, impound" | "place, put" |
| "pop, population, populous, popular" | "people" |
| "port, porter, portable, transport, report, export, import, support, transportation" | "carry" |
| "portion, portion, proportion" | "part, share" |
| "post, postpone, postdate" | "after, behind" |
| "pot, potential, potentate, impotent" | "power" |
| "pre, pur, precede" | "before" |
| "prehendere, apprehend, comprehend, comprehensive, prehensile" | "seize, grasp" |
| "prin, prim, prime, primacy, prima donna, primitive, primary, primal, primeval, prince, principal" | "first" |
| "pro, propel" | "for, foward" |
| "proto, prototype, protocol, protagonist, protozoan, Proterozoic, protoindustrial" | "first" |
| "psych, psyche, psychiatry, psychology, psychosis" | "mind, soul" |
| "punct, punctual, punctuation, puncture, acupuncture, punctuation" | "point, dot" |
| "pute, dispute, computer" | "think" |
| "quat, quad, quadrangle, quadruplets" | "four" |
| "quint, penta, quintet, quintuplets, pentagon, pentane, pentameter" | "five" |
| "quip, equip, equipment" | "ship" |
| "quir, quis, quest, quer, query, inquire, exquisite, quest" | "seek, ask" |
| "re, report, realign, retract, revise, regain" | "back, again" |
| "reg, recti, regiment, regular, rectify, correct, direct, rectangle" | "straighten" |
| "retro, retrorocket, retrospect, retrogression, retroactive" | "backwards" |
| "ri, ridi, risi, deride, ridicule, ridiculous, derision, risible" | "laughter" |
| "rog, roga, prerogative, interrogation, derogatory" | "ask" |
| "rupt, rupture, interrupt, abrupt, disrupt, ruptible" | "break" |
| "sacr, sanc, secr, sacred, sacrosanct, sanction, consecrate, desecrate" | "sacred" |
| "salv, salu, salvation, salvage, salutation" | "safe, healthy" |
| "sanct, sanctify, sanctuary, sanction, sanctimonious, sacrosanct" | "holy" |
| "sat, satis, satient, saturate, satisfy" | "enough" |
| "sci, scio, scientia, science, conscious, omniscient, cognocienti" | "know" |
| "scope, telescope, microscope, kaleidoscope, periscope, stethoscope" | "see, watch" |
| "scrib, script, scribe, scribble, inscribe, describe, subscribe, prescribe, manuscript" | "write" |
| "se, secede" | "apart, move away from" |
| "sect, sec, intersect, transect, dissect, secant, section" | "cut" |
| "sed, sess, sid, sediment, session, obsession, possess, preside, president, reside, subside" | "sit" |
| "semi, semifinal, semiconscious, semiannual, semimonthly, semicircle" | "half, partial" |
| "sen, scen, senior, senator, senile, senescence, evanescent" | "old, grow old" |
| "sent, sens, sentiment, consent, resent, dissent, sentimental, sense, sensation, sensitive, sensory, dissension" | "feel, think" |
| "sept, septet, septennial" | "seven" |
| "sequ, secu, sue, sequence, consequence, sequel, subsequent, prosecute, consecutive, second, ensue, pursue" | "follow" |
| "serv, servant, service, subservient, servitude, preserve, conserve, reservation, deserve, conservation, observe" | "save, serve, keep" |
| "-ship, relationship, friendship" | "Noun: status, condition" |
| "sign, signi, signal, signature, design, insignia, significant" | "sign, mark, seal" |
| "simil, simul, similar, assimilate, simulate, simulacrum, simultaneous" | "like, resembling" |
| "sist, sta, stit, assist, insist, persist, circumstance, stamina, status, state, static, stable, stationary, substitute" | "stand, withstand, make up" |
| "soci, sociable, society" | "to join, companions" |
| "sol, solus, solo, soliloquy, solitaire, solitude, solitary, isolate" | "alone" |
| "solv, solu, solut, solvent, solve, absolve, resolve, soluble, solution, resolution, resolute, dissolute, absolution" | "loosen, explain" |
| "somn, insomnia, somnambulist" | "sleep" |
| "soph, sophomore (wise fool), philosophy, sophisticated" | "wise" |
| "spec, spect, spi, spic, specimen, specific, spectator, spectacle, aspect, speculate, inspect, respect, prospect, retrospective, introspective, expect, conspicuous" | "look, see" |
| "sper, prosper" | "render favorable" |
| "sphere, sphere, stratosphere, hemisphere, spheroid" | "ball, sphere" |
| "spir, spirit, conspire, inspire, aspire, expire, perspire, respiration" | "breath" |
| "stand, stant, stab, stat, stan, sti, sta, st, stead, stature, establish, stance" | "stand" |
| "-ster, mobster, monster" | "person" |
| "strain, strict, string, stige, stringent, strict, restrict, constrict, restrain, boa constrictor" | "bind, pull, draw tight" |
| "stru, struct, stroy, stry, construe, structure, construct, instruct, obstruct, destruction, destroy, industry, ministry" | "build" |
| "sub, suc, suf, sup, sur, sus, sustain, survive, support, suffice, succeed, submerge, submarine, substandard, subnormal, subvert" | "under, below, from, secretly, instead of" |
| "sume, sump, consume, assume, sump, presumption" | "take, use, waste" |
| "super, supra, superior, suprarenal, superscript, supernatural, superimpose, supercede" | "over, above" |
| "syn, sym, sympathy, synthesis, synchronous, syndicate" | "together, at the same time" |
| "tact, tang, tag, tig, ting, tactile, contact, intact, intangible, tangible, contagious, contiguous, contingent" | "touch" |
| "tain, ten, tent, tin, retain, continue, content, tenacious" | "hold, keep, have" |
| "tect, teg, detect, protect, tegular, tegument" | "cover" |
| "tele, telephone, telegraph, telegram, telescope, television, telephoto, telecast, telepathy, telepathy" | "distance, far, from afar" |
| "tem, tempo, tempo, temporary, extemporaneously, contemporary, pro tem, temporal" | "time" |
| "ten, tin, tain, tenacious, tenant, tenure, untenable, detention, retentive, content, pertinent, continent, obstinate, contain, abstain, pertain, detain" | "hold" |
| "tend, tent, tens, tendency, extend, intend, contend, pretend, superintend, tender, extent, tension, pretense" | "stretch, strain" |
| "tera, terabyte, teraflop" | "trillion" |
| "term, exterminate, terminal" | "end, boundary, limit" |
| "terr, terra, terrain, terrarium, territory, terrestrial" | "earth" |
| "test, testament, detest, testimony, attest, testify" | "to bear witness" |
| "the, theo, monotheism, polytheism, atheism, theology" | "God, a god" |
| "therm, thermometer, theorem, thermal, thermos bottle, thermostat, hypothermia" | "heat" |
| "thesis, thet, antithesis, hypothesis, synthesis, epithet" | "place, put" |
| "tire, attire, retire, entire" | "draw, pull" |
| "tom, atom (not cutable), appendectomy, tonsillectomy, dichotomy, anatomy" | "cut" |
| "tor, tors, tort, torture, retort, extort, distort, contort, torsion, tortuous, torturous" | "twist" |
| "tox, toxic, intoxicate, antitoxin" | "poison" |
| "tract, tra, trai, treat, attract, tractor, traction, extract, retract, protract, detract, subtract, contract, intractable" | "drag, draw, pull" |
| "trans, transform, transoceanic, transmit, transportation, transducer" | "across, beyond, change" |
| "tri, tripod, triangle, trinity, trilateral" | "three" |
| "trib, tribute, contribute, attribute, retribution, tributary" | "pay, bestow" |
| "tribute, contribute, distribute, tributary" | "give" |
| "turbo, turbulent, disturb, turbid, turmoil" | "disturb" |
| "typ, type, prototype, typical, typography, typewriter, typology, typify" | "print" |
| "ultima, ultimate, ultimatum" | "last" |
| "umber, umbraticum, umbra, penumbra, (take) umbrage, adumbrate" | "shadow" |
| "un, unceasing, unequal" | "not, against, opposite" |
| "uni, uniform, unilateral, universal, unity, unanimous, unite, unison, unicorn" | "one" |
| "-ure, exposure, conjecture, measure" | "Noun: act, condition, process, function" |
| "vac, vacate, vacuum, evacuate, vacation, vacant, vacuous" | "empty" |
| "vade, evade, invader" | "go" |
| "vale, vali, valu, equivalent, valiant, validity, evaluate, value, valor" | "strength, worth" |
| "veh, vect, vector, vehicle, convection, vehement" | "to carry" |
| "ven, vent, convene, intervene, venue, convenient, avenue, circumvent, invent, convent, venture, event, advent, prevent" | "come" |
| "ver, veri, very, aver, verdict, verity, verify, verisimilitude" | "TRUE" |
| "verb, verv, verify, veracity, verbalize, verve" | "word" |
| "vert, vers, convert, revert, advertise, versatile, vertigo, invert, reversion, extravert, introvert, diversion, introvert, convertible, reverse, controversy" | "turn, change" |
| "vi, viable, vibrate, vibrant" | "way" |
| "vic, vicis, vicarious, vicar, vicissitude" | "change, substitute" |
| "vict, vinc, victor, evict, convict, convince, invincible" | "conquer" |
| "vid, vis, video, evident, provide, providence, visible, revise, supervise, vista, visit, vision, review, indivisible" | "see" |
| "viv, vita, vivi, revive, survive, vivid, vivacious, vitality, vivisection, vital, vitamins, revitalize" | "alive, life" |
| "voc, voke, vocation, avocation, convocation, invocation, evoke, provoke, revoke, advocate, provocative, vocal" | "call" |
| "vol, malevolent, benevolent, volunteer, volition" | "will" |
| "volcan, volcano, vulcanize, Vulcan" | "fire" |
| "volv, volt, vol, revolve, voluble, voluminous, convolution, revolt, evolution" | "turn about, roll" |
| "vor, voracious, carnivorous, herbivorous, omnivorous, devour" | "eat greedily" |
| "-ward, homeward" | "Adverb: in a direction or manner" |
| "-wise, timewise, clockwise, bitwise" | "Adverb: in the manner of, with regard to" |
| "with, withhold, without, withdraw, forthwith" | "against" |
| "-y, society, victory" | "Noun: state, condition, result of an activity" |
| "-y, hungry, angry, smeary, teary" | "Adjective: marked by, having" |
| "zo, zoo (zoological garden), zoology, zodiac, protozoan" | "animal" |
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