ambi-, amb-
both, around
con-, com-, co-, etc.
with, together, very
circum-
around
contra-, contro-, counter-
against
ante-
before, in front of
ad-, ac-, etc.
to, toward, near, at
ab-, a-, abs-
away, from
dis-, di-, dif-
apart, in different directions, not
de-
down, off, thoroughly, (removal, negative, very)