| a- | in, on, of, up, to | abed, afoot |
| without, lacking | atheist, agnostic |
| ab- | from, away, off | abdicate, abjure |
| ad- | to, toward | advance |
| am- | friend, love | amicable, amatory |
| ante- | before, previous | antecedent, antedate |
| anti- | against, opposing | antipathy, antidote |
| auto- | self | autonomy, autobiography |
| belli- | war, warlike | bellicose |
| bene- | well, good | benefit, benefactor |
| bi- | two | bisect, biennial |
| bio- | life | biology, biosphere |
| cata- | down, away, thoroughly | catastrophe, cataclysm |
| chron- | time | chronometer, synchronize |
| circum- | around | circumspect, circumference |
| com- | with, together, very | commotion, complicate |
| contra- | against, opposing | contradict, contravene |
| cred- | belief, trust | credible, credit |
| de- | from | depart |
| dem- | people | demographics, democracy |
| dia- | through, across, apart | diameter, diagnose |
| dis- | away, off, down, not | dissent, disappear |
| epi- | upon | epilogue |
| equi- | equal, equally | equivalent |
| ex- | out | extract |
| for- | away, off, from | forget, forswear |
| fore- | before, previous | foretell, forefathers |
| homo- | same, equal | homogenized |
| hyper- | excessive, over | hypercritical, hypertension |
| hypo- | under, beneath | hypodermic, hypothesis |
| in- | in, into | intrude, invade |
| not, opposing | incapable, ineligible |
| inter- | among, between | intercede, interrupt |
| intra- | within | intramural, intrastate |
| magn- | large | magnitude, magnify |
| mal- | bad, poorly, not | malfunction |
| micro- | small | microbe, microscope |
| mis- | bad, poorly, not | misspell, misfire |
| mono- | one, single | monogomy, monologue |
| mor- | die, death | mortality, mortuary |
| neo- | new | neolithic, neoconservative |
| non- | not | nonentity, nonsense |
| ob- | against, opposing | objection |
| omni- | all, everywhere | omniscient |
| ortho- | right, straight | orthogonal, orthodox |
| over- | above | overbearing |
| pan- | all, entire | panorama, pandemonium |
| para- | beside, beyond | parallel, paradox |
| per- | through | perceive, permit |
| peri- | around | periscope, perimeter |
| phil- | love, like | philosophy, philanthropic |
| poly- | many | polymorphous, polygamous |
| post- | after, following | postpone, postscript |
| pre- | before, previous | prevent, preclude |
| prim- | first, early | primitive, primary |
| pro- | forward, in place of | propel, pronoun |
| re- | back, backward, again | revoke, recur |
| retro- | back, backward | retrospect, retrograde |
| semi- | half, partly | semicircle, semicolon |
| sub- | under, beneath | subjugate, substitute |
| super- | above, extra | supersede, supernumerary |
| sym- | with, together | sympathy, symphony |
| trans- | across, beyond, over | transact, transport |
| ultra- | beyond, excessively | ultramodern, ultrasonic, ultraviolet |
| un- | not, reverse of | unhappy, unlock |
| uni- | one | uniform, unity |
| vis- | to see | visage, visable |
