Ab-
away from
ad-
towards
dys-
difficult, painnfull
eu-
good and easy
endo-
within, inside
ex- or exo-
without, out of, outside, away from
ecto-
outside
hyper-
increased, more than normal
hypo-
decreased, less than
inter-
between
intra-
within
poly-
many
oligo-
scant or little
pre-
before
post-
after
sub-
below
super- or supra-
above, beyond, excessive
A- or An-
without or no
anti-
against
brady-
abnormally slow
de-
remove, take away, loss of
contra-
against, opposed
dia-
through, apart, across, between
dis-
reversal, separation