Common Prefixes

Front 1

ante-, pre-

Back 1

before

Front 2

brady-

Back 2

abnormally slow rate of speed

Front 3

neo-

Back 3

new

Front 4

post-

Back 4

after

Front 5

tachy-

Back 5

rapid, abnormally high rate of speed

Front 6

ab-

Back 6

away from, outside of, beyond

Front 7

ad-

Back 7

toward, near to

Front 8

con-, sym-, syn-

Back 8

with, within

Front 9

contra-

Back 9

against

Front 10

dia-

Back 10

across, through

Front 11

ec-, ecto-, ex-, exo-

Back 11

outside

Front 12

en-, endo-

Back 12

inside

Front 13

epi-

Back 13

upon, subsequent to

Front 14

extra-

Back 14

beyond

Front 15

hyper-

Back 15

above, beyond normal

Front 16

hypo-

Back 16

low, below, below normal

Front 17

infra-

Back 17

inside or below

Front 18

intra-

Back 18

inside, within

Front 19

inter-

Back 19

between

Front 20

meso-

Back 20

middle

Front 21

meta-

Back 21

beyond

Front 22

pan-

Back 22

all or everywhere

Front 23

para-

Back 23

alongside, like

Front 24

peri-

Back 24

around

Front 25

retro-

Back 25

backward, behind

Front 26

bi-

Back 26

two

Front 27

di-, dipl-

Back 27

two, twice

Front 28

hemi-, semi-

Back 28

half

Front 29

macro-

Back 29

big

Front 30

micro-

Back 30

small

Front 31

mono-

Back 31

one

Front 32

olig-, oligo-

Back 32

a few

Front 33

poly-

Back 33

many

Front 34

quadri-, tetra-

Back 34

four

Front 35

tri-

Back 35

three

Front 36

uni-

Back 36

one

Front 37

anti-

Back 37

against, opposed

Front 38

dys-

Back 38

painful, bad, difficult