Root words
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Prefixes
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Suffixes!
100
Means "life" 

bio

100
Means "see" 

Vis

100

Means "two" 

Bi

100
Means "after" 

post

100

noun suffix that means "state of being"

~ ness

200

Means "water" 

aqua

200

Means "study" 

Log/ logo

200

Means "together" 

Co

200

Means "no" 

non

200

two letter noun suffix that means "one who...(does that thing)"

 ~ er

300

means "star" 

astro

300

Means "fear" 

phobia

300

Means "before" 

Pre

300

Means "again" 

re

300

two letter verb suffix that means "become" 

~ en

400

means "hear, listen"

aud

400

Means "break" 

rupt

400

Means "many" 

multi

400

Means "huge, strong" 

mega
400

Adjective suffix that means "capable of being" 

~ able

500

Means "write" 

graph

500
Means "time" 
chron
500

Means "too much" 

over

500

Means "too little" 

under

500

One letter adjective suffix that means "characterized by" 

~ y