1. Latin Prefixes

2. Ab (HINT: absent) Ambi (HINT: ambidextrous) Ben, bon (HINT: benefit) Co, con, com (HINT: cooperate, company) Away Around, both Good, well Together, with

3. De (HINT: deploy) Du (HINT: duplex) En (HINT: enjoy) In, ir, im, il (HINT: irresponsible, impossible) From, away, off Double, two In give [intensifier] Not, without

4. Inter (Hint: Interrupt) Magn, mag, meg, maj (Hint: Magnificent, megaplanner) Migr (Hint: migrate) Mis (Hint: Mistake) Between Great To move, travel Less, wrong

5. Non, ne (Hint: nonsense) Omni (Hint: omnivore) Per (Hint: pervade) Pro (Hint: procede, prologue) Not All Through, Before, forward, forth

6. Retro (Hint: retrofit) Sub (Hint: subway, submarine) Trans (Hint: transfer, transatlantic) Un (Hint: unhappy) Back, backward, behind Under, below, up from below Over, across Not

7. Ad, ac, at, as, ap, am, an, ar, ag, af (Hint: advance, after, ascend, appear) Ante (Hint: A.M.-- antemeridian) Contra, contro (Hint: contrary, contradict) Dis, dif (Hint: different, disease) To, toward, at Before Against Apart, away, not to deprive

8. E, ex,ec (Hint: exit, emit) Extra(Hint: extraordinary) In, im (Hint: implode, in) Intro(Hint: transfer, introjection) Mal (Hint: malady, malignant) Out, beyond, from, out of, forth Beyond In, on, upon, into, toward Within Bad, ill

9. Mill(Hint: millipede) Multi(Hint: multitude) O, ob, oc, of, op (Hint: object, offend, oppose) Pre (Hint: prefix) Para (Hint: parallel) Thousand Many, much Against, toward Before Beside

10. Post (Hint: postscript) Re (Hint: return, regress) Se, sed (Hint: secede, secret) Sover (Hint: sovereign) Super, supra (Hint: superstar) After Again, anew, back Apart, aside, away Above, over Above, down

11. Tri (Hint: triangle) Uni (Hint: unicycle, unite) Quad, quart (Hint: quarter, quadrilateral) Semi (Hint: semester, semisweet) Bi (Hint: bicycle) Three One Four Half Two