1. a (an) no, not, without, lacking

amnesia-without memory anarchy: without rule atheist: without religion/God

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2. ambi - both

ambiguous: understood two or “both” ways

ambidextrous: using both hands with equal ease

ambivalent: both liking and hating at the same time

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3. anti - against

antidote: give against antibiotic: against bacteria antisocial: go against society_________________________________________________________________________________________________________

4. circum - around

circumference: distance around circumscribe: draw a line around circumnavigate: sail around_________________________________________________________________________________________________________

5. de - down, from

demote: move down in grade/ rank descend: to climb down from a higher

place decline: bend down, turn down_________________________________________________________________________________________________________

6. dis (di, dif)-apart, away, not

divert: turn away differ: stand apart disrupt: to break away_________________________________________________________________________________________________________

7. endo - inside, within

endoderm: skin within endocardium: within the heart endocrine: glands inside_________________________________________________________________________________________________________

8. exo - outside

exocrine: outside secreting glands exotic: having characteristics of

outside exosphere: outside the sphere

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9. extra - beyond

extraordinary: beyond what is usual

extrasensory: understanding what is beyond normal feeling

extraterrestrial: beyond earthly_________________________________________________________________________________________________________

10. hetero - different

heterogeneous: different kinds heteromorphic: changing to a

different shape heterosexual: relating to one of a

different sex_________________________________________________________________________________________________________

11. homo - same

homonym: same name homogenous: full of the same kind homophone: same sound

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12. in (il, im, ir) - in, into

inject: throw into illuminate: in light import: carry in irrigate: cause water to go into_________________________________________________________________________________________________________

13. in (ig, il, im, ir) - not

inactive: not active ignoble: not noble illegal: not lawful imperfect: not perfect irrational: not reasonable_________________________________________________________________________________________________________

14. inter - between, among

interact: working among others interrupt: break between intervene: come between_________________________________________________________________________________________________________

15. intra (intro): inside, within

intravenous: inside the vein introduce: lead inside introspect: look inside or within_________________________________________________________________________________________________________

16. iso - same

isometric: related to the same measure

isosceles: having two sides the same

isothermal: equal or same temperature

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17. macro – large, great

macroscopic: large enough to be seen by the unaided eye

macrocosm: the great entire world macrocyte: large cell_________________________________________________________________________________________________________

18. micro - small

microscopic: too small to see with the unaided eye

microcosm: small world microcyte: small cell

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19. medi - middle

median: middle of medieval: middle ages medium: middle state_________________________________________________________________________________________________________

20. per – through, thoroughly

perspire: through the pores of the skin

permit: thoroughly allowed perennial: through the year_________________________________________________________________________________________________________

21.pre – before

prefix: before something precede: before in time or place prevent: before it happens_________________________________________________________________________________________________________

22. post - after

postpone: after a time postscript: after the signature postmeridian: after midday_________________________________________________________________________________________________________

23. se – apart, away

secede: away from seclude: apart from others seduce: away from proper conduct

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24. syn (syl, sym, sys) – same, together, with

synonym: same as symphony: together in sound or

action syllable: sounds put together to form

words_________________________________________________________________________________________________________

25. ultra - beyond

ultraliberal: beyond free minded ultramodern: beyond what is

modern now ultrasound: beyond the range of

hearing_________________________________________________________________________________________________________