a-, an- before a vowel
not, without
amphi-, ampho-
around about, both
ana-, ano-
upward, back, against, again
anti-
against, opposed to
apo-
away/apart from, derived from
di-
twice, double, two
dia-
through, across
dicho-
in two, twofold
dys-
difficult, painful, faulty
ec-, ek-, ex-
out of, outside
ecto-
on the outside
en-, em-
in, within
endo-, ecto-
within
epi-, eph-
upon, on
eso-
inward, within
eu-
well, normal, good
exo-
outside of, outward
hemi-
half, partly
hyper-
above, beyond, excessive
hypo-
under, below, deficient
kata-, cata-, cat-
down, against, complete
meta-, met-
after, beyond, change
opistho-
behind, backward
pali-, palin-
again, backwards