1. 1. Ab (abs) ~> away, from
Abduct: ab (away) duct (lead)
Absent: ab (away) esse (to be)
Abdicate: ab (away) dic (speak, say) ate (make, do)

2. 2. Amphi ~> both
Amphibian: amphi (both) bio (life) ian (related to)
Amphitheater: amphi (both) theatron (watch)

3. 3. Apo ~> away, from, off
Apology: apo (away) log (word) y (result of)
Apostle: apo (away) stellein (send)
Apostrophe: apo (away) strephein (turn)

4. 4. Bi ~> two Bicycle: bi (two) cycl (wheel)
Biennial: bi (two) enn (year) ial (related to)
Binomial: bi (two) nom (part, name) ial (related to)

5. 5. Con (co, col, com, cor) ~> together, with, same
Compose: com (together) pos (place, put)
Congenital: con (with) gen (birth) al (related to)
Corroborate: cor (with) robor (strong) ate (make, do)

6. 6. Demi ~ half Demigod: demi (half) god (god)
Demitasse: demi (half) tast (basin)

7. 7. Dys ~> bad, poorly
Dysfunction: dys (bad) fungi (perform) ion (act of)
Dystrophy: dys (poorly) troph (growth) y (result of)
Dyslexia: dys (poor) lexis (speech) ia (condition)

8. 8. Ex (ec, ef) ~> out Exit: ex (out) it (travel)
Eccentric: ec (out) centr (center) ic (having characteristics of)
Effuse: ef (out) fus (pour)

9. 9. Eu ~> good Eulogy: eu (good) log (word) y (result of)
Euphemism: eu (good) phem (name) ism (belief)
Eugenics: eu (good) gen (birth) ics (science of)

10. 10. Fore ~> before, first
Forefather: fore (before) fader (father)
Forecast: fore (before) cast (cause)
Forefinger: fore (first) finger (finger)

11. 11. Hyper ~> above, beyond, over
Hyperactive: hyper (above) act (do) ive (that which)
Hyperbole: hyper (above) ballein (throw)
Hypercritical: hyper (above) crit (judge) al (related to)

12. 12. Hypo ~> under
Hypothermia: hypo (under) therm (heat) ia (condition)
Hypocenter: hypo (under) centr (center)
Hypodermic: hypo (under) derm (skin) ic (related to)

13. 13. Mega (megal) ~> large, great
Megaphone: mega (large) phon (sound)
Megalith: mega (large) lith (stone, rock)
Megalomania: megal (great) mainia (obsession)

14. 14. Mono ~> one, single
Monarchy: mono (single) arch (rule, government) y (result of)
Monocle: mono (single) ocul (eye)
Monogamy: mono (single) gam (marriage, spouse) y (result of)

15. 15. Neo ~> new Neonatal: neo (new) nat (birth) al (related to)
Neolithic: neo (new) lith (stone, rock) ic (related to)
Neophyte: neo (new) phyt (plant) – a beginner

16. 16. Non~> not
Nonconformist: non (not) con (with) form (shape) ist (one who)
Nonflammable: non (not) flam (fire) able (able)
Nonverbal: non (not) verb (word) al (related to)

17. 17. Pen~> almost Peninsula: pen (almost) insula (island)
Penultimate: pen (almost) ultim (high) ate (make, do)
Penumbra: pen (almost) umbra (shade)- a partial shadow; similar to an eclipse

18. 18. Prim (prin) ~> first
Primary: prim (first) ary (related to)
Primogeniture: prim (first) gen (born) ure (state of)
Prince: prin (first) cept (take)

19. 19. Poly ~> many Polytheism: poly (many) theo (god) ism (belief)
Polygamy: poly (many) gam (marriage, spouse) y (result)
Polygon: poly (many) gon (side, angle)

20. 20. Preter ~> above, beyond, past
Preterhuman: preter (beyond) humain (human)
Preternatural: preter (beyond) natura (nature)
Pretermit: preter (beyond) mit (send)- to disregard intentionally or omit; to ignore

21. 21. Quasi ~> having likeness, resembling
Quasistellar: quasi (like) stell (star) ar (related to)
Quasi-judicial: quasi (resembling) jud (evaluate) ial (related to)
Quasisuccessful: quasi (like) suc (under) cess (go) ful (full of)

22. 22. Re ~> back, again Recognize: re (again) cogn (know) ize (make)
Regress: re (back) gress (go)
Revert: re (back) vert (turn)

23. 23. Semi ~> half Semiannual: semi (half) ann (year) al (related to)
Semicircle: semi (half) circl (circle)
Semifinal: semi (half) fin (end) al (related to)

24. 24. Super ~> above, beyond, over
Superscribe: super (above) scrib (write)
Superb: super (above)
Supervise: super (over) vis (see)

25. 25. Un ~> not Unarm: un (not) arm (weapon)
Unconscious: un (not) con (with) sci (know) ious (full of)
Unequal: un (not) equ (equal)