Root Words

Front

astr- (e.g., asteroid, astronaut)

Back

star

Front

aud- (audio, audition)

Back

sound/hearing

Front

bene- bon- (bountiful, benevolent, bonus)

Back

good or well

Front

bio- (biology, biography)

Back

life

Front

chron- (e.g., chronicle, chronological)

Back

time

Front

cred- (credible, incredible)

Back

believe

Front

graph- paragraph, biography

Back

write

Front

grad-: gradual, graduation

Back

step

Front

Prefix: hydr- (e.g., hydrate, hydroflask)

Back

water

Front

ject- (project, interject)

Back

throw