a/an
without
anti-
against
bi-
two
brady-
slow
dys-
painful/bad/difficult
eu-
normal
hemi-
half
hyper-
excessive
hypo-
below/under
cyan-
blue
chlor/o
green
erythr/o
red
leuk/o
white
melan/o
black
olig
little/scanty
noct
night
mono
one
poly
many/much
post
behind/after
pre
before
quadri
four
sub
below/under
tachy
fast
tri
three