| A | B |
|---|
| rat (rational; irrational; rated; irate) | think |
| per (pervade; pervasive; impervious; permit; permeable) | through |
| ject, jac (eject; project; reject; conjecture; ejaculate) | throw |
| chron (chronology; chronicles; synchronize) | time |
| tempor (contemporary; temporarily; temporize; temporal) | time |
| ad (adjunct; adherent; addendum) | to |
| cav (cave; cavity; caverous; excavate) | to make hollow |
| rota, rotat (rotation; rotary; rotor) | to turn |
| co (coherent; cooperate) | together |
| com (comrade; commiserate; compact) | together/with |
| con (contact; connection; convivial; connotation) | together/with |
| sym/syn (symmetry; synthesis; symbiosis; synagogue) | together/with |
| lingu (linguistics; linguini; bilingual) | tongue |
| tact (contact; intact; tactic; tactile) | touch |
| tang (tangible; intangible; tangent) | touch |
| vert (convert; divert; diversion; revert) | turn |
| tort (torture; tortuous; contortionist; retort) | twist |
| duo, du (dubious; duet; duplication) | two |
| hypo (hypothermia; hypodermic) | under |
| sub (submarine; substandard; substitute) | under/below |
| voc/vok (vociferous; vocal; equivocate; invoke; revoke) | voice or call |
| ambul (amble; ambulance; perambulate; preamble) | walk |
| err (errant; errand; erroneous; erratum) | wander |
| migr (migrate; transmigration; migratory) | wander |
| bell (belligerent; bellicose; antebellum) | war |
