base
middle
meaning, makes sense on own
essential
often more than one
suffix
end
adds to meaning, does not make sense on own
essential
sometimes more than 1
prefix
beginning
adds to meaning, no sense on own
not essential
rarely more than 1
combining vowels
a, e, i, o, u, y
adds no meaning, just makes it easier to pronounce
ambi-, ambo-
both
apo-
away from
contra-
opposite, against
ecto-
outside, outer
endo-
inside, inner
inter-
between
intra-
within
meso-
middle
sub-
below, underneath
super-
upper, above, beyond
trans-
across, through
-ad
toward
-an
pertaining to
-al
pertaining to
-ary
pertaining to
-ial
pertaining to
-ic
pertaining to
-ion
action, condition, act of
-ior
pertaining to
-ous
pertaining to, like, full of, having