Closed-Syllable Prefix
Closed Syllable Prefix
Open Syllable Prefix
Closed syllable Root
Closed syllable root
100

with or together

con

100
wrongly, bad

mis (misbehave)

100

from, down, away

de (decrease)

100

break

fract (fraction)

100

speak

dict (dictate)

200

not, opposite of (disconnect)

dis

200

not

non (nonsense)

200

out of, away from

e (emit)

200

throw 

ject (throw)

200

lead, guide

duct (conduct)

300

in, into, cause to (enlist)

em, en, in

300

under

sub (submerge)

300

before 

pre (predict)

300

little, small 

min (miniature)

300

see, look 

spec (inspect)

400

out of, away from (exit)

ex

400

across, beyond

trans (transportation)

400

for, forward

pro (propel)

400

write

scrib (scribble)

400

drag

tract (tractor)

500

not (illegal, impossible, inaccurate)

il, im, in

500

not, opposite of 

un (unhappy)

500

back, again

re (recycle)

500

build

struct (construct)

500

choose

lect (elect)