Inflectional Suffixes
Derivational Suffixes
Root Words
Base Words
100

This suffix is added to a verb to show it happened in the past, like "jumped."

What is -ed?

100

This suffix turns a noun into a verb, meaning to make or do, like "realize."

What is -ize?

100

This is the root word in "unhappy," which means feeling good or positive.

What is -happy?

100

This base word in "happiness" means feeling good.

What is -happy?

200

This suffix is added to a noun to show there is more than one, like "cats."

What is -s or -es?

200

This suffix changes an adjective into an adverb, meaning “in a way that is,” like "quickly."

What is -ly?

200

This root word means “life,” and you find it in the word "biology."

What is -bio?

200

This base word in "redo" means to do again.

What is -do?

300

This suffix is added to a verb to show it is happening right now, like "runs."

What is -s?

300

This suffix changes a noun into an adjective, meaning full of or having the quality of, like "joyful."

What is -ful?

300

This root word means “sound,” and you find it in the word "telephone."

What is -phone?

300

The base word in "refresh" means to make something fresh again.

What is -fresh?

400

This suffix changes an adjective to show something is better, like "taller."

What is -er?

400

This suffix turns a noun into a person who does something, like "artist."

What is -ist?

400

This root word means “light” and is found in the word "photograph."

What is -photo?

400

The base word in "mismatch" means to pair or put together.

What is -match?

500

This suffix shows something belongs to someone, like "Tom's" or "dogs'."

What is -'s or -s'?

500

This suffix changes a noun into an adjective, like "dangerous" or "famous."

What is -ous?

500

This root word means “to carry,” and you find it in the word "transport."

What is -port?

500

The base word in "unbelievable" means to think or believe something.

What is -believe?