Prefix

Front 1

ambi-

Back 1

both

Front 2

bi-

Back 2

two, double

Front 3

centi-

Back 3

one hundred

Front 4

deca-

Back 4

ten

Front 5

dipl-

Back 5

double

Front 6

di(s)-

Back 6

two, apart

Front 7

milli-

Back 7

one thousandth

Front 8

multi-

Back 8

many, much

Front 9

null-

Back 9

none

Front 10

poly-

Back 10

many

Front 11

primi-

Back 11

first

Front 12

semi-, hemi-

Back 12

half

Front 13

tetra-

Back 13

four

Front 14

uni-

Back 14

one

Front 15

quadri-

Back 15

four