Common word roots:

Common word roots:

Anti - when the meaning is 'against' or 'preventing'. (is generally used before the word)

Antibacterial

Antipathy

Anti-slavery

Anti-social

Ful - to represent "full of" something

Beautiful

Disgraceful

Painful

Youthful

Im - to represent "opposite" of something

Imbalance

Immaterial

Immature

Impurity

Pre -  to represent "before" of something

Prearrange

Precaution

Predict

Pre-war

Re - is used to do something "again:

React

Rebuilt

Reform

Repeat

Scribe - means, to write

Describe

Inscribe

Transcribe

Circumscribe

Ular - means, resembling

Circular

Granular

Muscular

Tubular