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prefixes

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a-, ab-, abs-
from;away
ad-,ac-, af-, ag-, al-, an-,am-, ap-, ar-, as-
to; toward; near; very
ambi;amb
both; around; on both sides
ante- (rarely anti-)
before
circum-
around; about
con-,co-, col-, com-, cor-,
together; with; very
contra;contro
against
de-
down; from; away; very
dis-, dif-, di-
apart; in different directions; not; very
e-, ex-, ef-
out of; from; very
extra-
outside of
in-,il-, im-, ir-, en-, em-
in; within; into; on; not
infra-
beneath;below
inter-, intel
between; among
intra-, intro
within
juxta-
near; next
ob-,o-,oc-, of-, op-
against; toward; to; very
per-, pel-
thorugh; badly; very
pre
before; very
preter-
past; beyond
pro-, prod-,por-
before; instead of; in behalf of
post
after; behind; later
re-, red-
back; again; anew
retro-
backward
se-
apart; aside
sub-, suc-, suf-, sug-, sum-, sup-, sur-, sus-
under; below; up from below
subter
secretly; beneath
super
above; over; more than
supra
above; upon; more than
trans-, tra
across; beyond; through
ultra-
beyond; excessively