ab-
away from
a-
away from; without
ad-
toward
an-
without; not
ana-
apart; excessive
ant-
against
ante-
forward; before
anti-
against
apo-
away from
bi-
two
brachy-
short
brady-
slow
cata-
down
circa-
about
circum–
around
con-
with
contra-
against
de-
reversal of ;without
di-
two
dia-
complete; completely through
dis-
away from
dys-
painful; difficult; abnormal
e-
without; out
ec-
out; outward