anti-

against

antibody, antifreeze

bi-

two

bicycle, bilingual

cent-

hundred

century, centimeter

co-
con-

with

correlate, copilot
connect, continue

de-

opposite

defrost, decline, deposit

dis-

not or opposite of

disagree, disorder

en-

within

enclose, encourage

extra-

outside

extraterrestrial, extraneous

in-
im-
non-

not

income, inland
impossible, immobile
nonstop, nonprofit

inter-

between

intermediate, international

mid-

middle

midday, midway

mis-

wrongly

misunderstand, misplace

out-

exceeds

outside, outstanding

over-

over

overhead, overheat

post-

after

postpone, postgraduate

pre-

before

precook, pretest

pro-

forward

proceed, produce

re-

again

redo, replace

semi-

half

semicircle, semiautomatic

sub-

under or below

subway, submarine

trans-

across

transmit, transport

tri-

three

triplet, triangle

un-

not

unrest, unfair

uni-

one

universe, unicycle