| Question | Answer |
| a-, an- | not, without
ex.- asocial, anarchy |
| ab- | away from
ex.- abstract, abnormal |
| anti- | against
ex.-antibiotic, antifreeze |
| ante- | in front of, before
ex.- antecedent, antebellum |
| bi- | two
ex.-bicycle, biceps |
| co-, con-, col-, cor- | with, together
ex.- cooperate, confer, collect, correlate |
| contra- | opposite, against
ex.- contradict, contrary |
| de- | away, down, not
ex.- dehumidify, dethrone, demote |
| dis- | apart, away, lack
ex.- dismember, disappear, disability |
| e-, ex- | away, out
ex.- emit, exhaust, exit |
| extra- | beyond, outside
ex.- extraordinary extracurricular |
| hetero- | other, different
ex.- heterosexual, heterogeneous |
| homo- | same
ex.- homosexual, homonym |
| hyper- | above, over
ex.- hyperactive, hypertension |
| hypo- | under, below
ex.- hypodermic, hypothermal |
| il-, in-, im-, ir- | not, opposite, within
ex.- illiterate, inept, inside, impossible, irresponsible |
| inter- | between
ex.- international, intercollegiate |
| intra- | within
ex.- intramural, intravenous |
| mis- | bad, wrong, negating
ex.- mistake, mischief, mistrust |
| mono- | one, alone
ex.- monologue, monotony |