a-
without, not, no
ab-
from, away from
ad-
towards, increase
an-
without
ante-
before, in front
anti-
against
bi-
two, double
circum-
around
contra-
against
dia-
through
dis-
free of
dys-
bad, difficult, painful
ecto-
outside
endo-
within, inner
epi-
upon, over
ex-
out, away from
hemi-
half
hetero-
different
homeo-
likeness, same
homo-
same
hydro-
water
hyper-
excessive
hypo-
under, below
idio-
individual