| A | B |
| ab | Definition: away from, not - Example: abnormal (not normal) |
| ad | Definition: to,toward -Example:adjoin(join to) |
| a,an | Definition: not,without- Example: apathy(without feeling) |
| anti | Definition: against- Example: antiviolence(against violence) |
| ambi | Definition: both- Example: ambidextrous(able both hands) |
| bene | Definition: good- Example: benign(good or harmless) |
| circum | Definition: around- Example: circumvent(go around) |
| con | Definition: with,together- Example: connect(come together) |
| contra | Definition: against- Example: contradict(speak against) |
| com | Definition: with,together- Example: communion(coming together) |
| de | Definition: down,away- Example: descend(move down) |
| dis | Definition: apart,not- Example: discontent(not content) |
| e | Definition: out of,from- Example: eject(throw out) |
| ex | Definition: out of,from- Example: exclude(leave out) |
| hyper | Definition: over - Example: hyperactive (overeactive) |
| hypo | Definition: under- Example hypodermic(below the skin) |
| inter | Definition: between- Example interconnected(connected between) |
| il | Definition: not- Example illegal(not legal) |
| im | Definition: not- Example impossible(not possible) |
| im | Definition: into- Example imbibe(drink in) |
| in | Definition: not- Example indiscreet(not discreet) |
| in | Definition: into- Example ingest(take into the body by mouth) |
| ir | Definition: not- Example: irrational(not rational) |
| mal | Definition: bad,evil- Example: malign(speak badly of) |
| ob | Definition: against- Example: obstruct(build against) |
| omni | Definition: all- Example: omniscient(knows all) |
| peri | Definition: around- Example: periscope( something used to view around) |
| post | Definition: after- Example: postgradute(after graduation) |
| pre | Definition: before- Example: precede(go before) |
| pro | Definition: for,forward- Example: proceed(move forward) |
| re | Definition: again,back- Example: reconvene(get together again) |
| retro | Definition: back- Example: retrogression(a step back) |
| se | Definition: away from- Example: seduce(lead away) |
| sub | Definition: under- Example: subhuman(below human) |
| sur,super | Definition: over,above- Example: supersonic(above sound) |
| sym,syn | Definition: together,with- Example: sympathy(feeling with or for) |
| trans | Definition: across- Example: transatlantic(across the Aalantic) |