prefixes
ab-
away from, negative, absent
dextr/o
right side
ex-
out of, outside, away from
macro-
large, abnormal size, or long
mega, megal/o
large, great
pre-
before
ad-
toward, to, in the direction of
sinistr/o
left side
in-
in, into, not, without
micr/o, micro-
small
olig/o
scanty, few
post-
after, behind
dys-
bad, difficult, or painful
eu-
good, normal, well, or easy
inter-
between, among
intra-
within, or inside.
sub-
under, less, or below
super-, supra-
above or excessive