Amount/Quantity/Speed

a-

without, not

bi-

Two

brady-

slow

de-

without

di-

two, aside

hemi-

half

hyper-

above, excessive

hypo-

below, deficient, insufficient

macro-

Large

micro-

small

mono-

one

multi-

many

non-

not

pan-

all

poly-

many

quadri-

four

tachy-

Fast

tetra-

four

tri-

three

un-

not

uni-

one

dipl/o

double

is/o

same, equal