1
un-, non-
not, opposite of
2
re-
back, again
3
sub-
under, below
4
pre-
before, in front of
5
semi-
half, partly
6
mid-
middle
7
de-
down, away from
8
anti-
against, opposite
9
pro-
before, forward, infavor of
10
ex-
out, away from
11
per-
through or completely
12
con-
together, connect, or with
13
dis-
not, apart, away
14
mis-
bad, wrong, to hate
15
circ-, circum
around, circle
16
bi-
two, twice
17
tri-
three, third