Number Prefixes

Front 1

uni-

Back 1

mono-

Front 2

tri-

Back 2

bi-

Front 3

it

Back 3

versity

Front 4

color

Back 4

ennial

Front 5

ceratops

Back 5

athlon

Front 6

form

Back 6

ite

Front 7

tony

Back 7

monthly

Front 8

ify

Back 8

rail

Front 9

noculars

Back 9

cycle

Front 10

ique

Back 10

gram

Front 11

logy

Back 11

cycle

Front 12

poly

Back 12

annual

Front 13

x

Back 13

x

Front 14

x

Back 14

x

Front 15

x

Back 15

x