Prefixes

Front 1

dis-

Back 1

not; away from

Front 2

il-

Back 2

not

Front 3

im-

Back 3

not

Front 4

in-

Back 4

not

Front 5

ir-

Back 5

not

Front 6

mis-

Back 6

bad, badly; wrong, wrongly

Front 7

non-

Back 7

not

Front 8

un-

Back 8

not

Front 9

ex-

Back 9

out; away from

Front 10

inter-

Back 10

between

Front 11

post-

Back 11

after

Front 12

pre-

Back 12

before

Front 13

re-

Back 13

again; back

Front 14

trans-

Back 14

across