uni-
one
bi-
two; twice
tri-
three
quadri-
four
hemi-, semi-
half
multi-, poly-
many; much
pan-
all
a-, an-
without; not; no
in-
not
anti-, contra-
against
de-
lack of; less
dys-
painful; bad; difficult; abnormal
mal-
ill; bad
eu-
good; normal
hyper-
above; excessive
hypo-
deficient; below; under
brady-
slow
tachy-
fast
neo-
new; recent
syn-, sym-
union; together
mega-, macro-
large
micro-
small
pan-
all
per-
throughout; completely