1. A, an : without, lack of

2. Ab : away from

3. Ad : towards

4. Ambi : both

5. Ana : up, toward, apart

6. Ante : before, in front of, forward

7. Anti : against, opposing

8. Apo : separation from, derived from

9. Auto : self

10. Bi : two, double, twice

11. Cata : down, under, lower, against

12. Circum : around

13. Co, com, con: with, together

14. Contra : opposed, against

15. De : reverse or remove

16. Di : two, twice

17. Dia : between, through, apart, across, completely

18. Dis : apart from, free from

19. Dys : difficult, painful, abnormal

20. E, ec, ex : out of, from, away from,

21. Ecto, exo : outer, outside, situated on

22. Em, en : in

23. Endo : within, inner

24. Ep, epi : upon, on, over, above

25. Eu : normal, healthy, good, well

26. Extra : outside of, beyond

27. Hemi : half

28. Hyper : excessive, above, beyond

29. Hypo : under, deficient, beneath

30. Im, in : in, into, within, not

31. Infra : below, beneath

32. Inter : between

33. Intra : within

34. Intro : into, within

35. Mes, meso : middle

36. Meta : change, beyond, after

37. Micr, micro : small

38. Mult, multi : many

39. Neo : new, recent

40. Pan : all, entire

41. Para : beside, beyond

42. Per : through, excessive

43. Peri : around

44. Poly : many, much, excessive

45. Post : after, behind

46. Pre, pro : before, in front of

47. Pseudo : false

48. Retro : again, backward

49. Semi : half, partial

50. Sub : under, beneath