Root Words and Affixes

Front

Root: "bio"

Back

Life (e.g., biology, biography)

Front

Prefix: "un-"

Back

Not, opposite of (e.g., unhappy, undo)

Front

Suffix: "-ology"

Back

Study of (e.g., biology, geology)

Front

Root: "dict"

Back

Speak (e.g., predict, dictionary)

Front

Prefix: "pre-"

Back

Before (e.g., preview, preheat)

Front

Suffix: "-ness"

Back

State of being (e.g., happiness, darkness)

Front

Root: "scrib/script"

Back

Write (e.g., describe, manuscript)

Front

Prefix: "re-"

Back

Again (e.g., redo, rewrite)

Front

Suffix: "-ment"

Back

Action or process (e.g., development, agreement)

Front

Root: "therm"

Back

Heat (e.g., thermometer, thermal)