a-
no, not, without, absence of
an-
no, not, without, absence of
brady-
slow
de-
lack of, less, removal of
dys-
bad, painful, difficult
echo-
reflected, repeated, sound
endo-
within, inside, inner
extra-
outside
hyper-
above, excessive
hypo-
below, under, deficient, less than normal
inter-
between
peri-
around, surrounding
tachy-
rapid, fast
tetra-
four
trans-
across, through, over
tri-
three