Prefixes
bi-
two
aqua
water
capable of, able to do
tri-
three
mid-
middle
anti-
against
therm
heat
-ist
a person
quad-
sub-
under
mis-
wrong
chron
time
-ology
the study of
semi-
half
tele-
far or distant
auto-
self
struct
to build
-ment
condition, the doing of
super-
above, larger than
poly-
much or many
eight
ath, athl
contest, prize
-tion, -sion
state of being
(often used to create nouns from verbs)
fore-
before
in-, im-, il-, ir-
not