Common Prefixes

Front 1

a-

Back 1

without, away from

Front 2

an-

Back 2

without

Front 3

ante-

Back 3

before, in front of

Front 4

anti-

Back 4

against

Front 5

auto-

Back 5

self

Front 6

brady-

Back 6

slow

Front 7

contra-

Back 7

against

Front 8

de-

Back 8

without

Front 9

dys-

Back 9

painful, difficult, abnormal

Front 10

endo-

Back 10

within, inner

Front 11

epi-

Back 11

upon, over

Front 12

eso-

Back 12

inward

Front 13

eu-

Back 13

normal, good

Front 14

ex-

Back 14

external, outward

Front 15

exo-

Back 15

outward

Front 16

extra-

Back 16

outside of

Front 17

hetero-

Back 17

different

Front 18

homo-

Back 18

same

Front 19

hydro-

Back 19

water

Front 20

hyper-

Back 20

over, above

Front 21

hypo-

Back 21

under, below

Front 22

in-

Back 22

not; inward

Front 23

inter-

Back 23

amoung, between

Front 24

intra-

Back 24

within, inside

Front 25

macro-

Back 25

large

Front 26

micro-

Back 26

small

Front 27

myo-

Back 27

to shut

Front 28

neo-

Back 28

new

Front 29

pan-

Back 29

all

Front 30

para-

Back 30

beside, near; abnormal; two like parts of a pair

Front 31

per-

Back 31

through

Front 32

peri-

Back 32

around

Front 33

post-

Back 33

after

Front 34

pre-

Back 34

before, in front of

Front 35

pro-

Back 35

before

Front 36

pseudo-

Back 36

false

Front 37

retro-

Back 37

backward, behind

Front 38

sub-

Back 38

below, under

Front 39

supra-

Back 39

above

Front 40

tachy-

Back 40

rapid, fast

Front 41

trans-

Back 41

through, across

Front 42

ultra-

Back 42

beyond, excess

Front 43

un-

Back 43

not