PREFIXES 2
ante-
before
antenatal, anteroom, antedate antemeridian, anterior
anti-
against, opposite of
anticlimax. antiaircraft, antiseptic, antibody
auto-
self, same
autopilot, autobiography, automobile, autofocus
circum-
around, about
circumvent, circumnavigate, circumscribe
co-
with, together
copilot, coworker, coexist, coauthor
com-, con-
together, with
companion, commingle, contact, concentrate
contra-, contro-
against, opposite
contradict, contrast, contrary, controversy
de-
down, off, away from
devalue, deactivate, debug, degrade, deduce
dis-
not, apart, away
disappear, disagreeable, disbar, dissect
en-
put into, cover with
enclose, entangle, enslave, encase
ex-
out of, from, former
extract, exhale, excavate, ex-president
extra-
beyond, outside, more than
extracurricular, extramarital, extravagant