without
a-/an-
ab-
away from
ad-
toward
ante-
before
anti-
against
auto-
self
bi-
two
brady-
slow
tachy-
fast
circum-
around
contra-
against
de-
down, away
dia-
through
dys-
difficult, abnormal
endo-
inside
epi-
on top off
eu-
normal, good
exo-
outside
extra-
outside, beyond
hetero-
different
homo-
same
hyper-
excessive, high
hypo-
low, below
inter-
between