Greek Roots & Prefixes
Prefixes
Negative Prefixes
Body-related Roots
100

This root means 'star' and is used in words like 'astronomy' and 'astronaut.

What is -astr?

100

The word 'nonverbal' uses this prefix, which means 'not.'

What is non-?

100

In 'disagree' and 'disconnect,' this prefix means 'apart' or 'not.'

What is dis-?

100

This root relates to feet and is found in 'pedestrian' and 'pedicure.'

What is -ped?

200

The word 'telegraph' uses this root, which means 'to write' or 'to record.

What is -graph?

200

The prefix in 'irregular' or 'irresponsible' makes the word mean 'not.' What is the prefix?"

What is ir-?

200

In 'antibiotic' or 'antiseptic,' this prefix fights against something. What is the prefix?

What is anti-?

200

The word 'podiatrist' uses this root, which refers to feet, but mainly in animals.

What is -pod?

300

The word 'photography' combines 'photo-' and '-graph.' What does 'photo-' mean?

What is light?

300

If something is 'illegal,' this prefix tells you it’s unlawful.

What is il-?

300

In 'deflate' or 'decrease,' this prefix means 'down' or 'away.'

What is de-?

300

The word 'tripod' means an object with three of these.

What are feet or legs?

400

In 'credible' or 'credibility,' this root suggests something is believable.

What is -cred?

400

The prefix in 'impossible' or 'impatient' tells you something can't be done. What is it?

What is im-?

400

The prefix in 'counterbalance' suggests opposition or balancing in the opposite direction.

What is counter-?

400

This word, starting with 'ped-,' refers to someone who walks on foot.

What is pedestrian?

500

This word describes something related to sound and comes from the root '-aud,' as in 'auditory.'

What is hearing or sound?

500

The word 'inactive' uses this prefix to show something isn’t happening. What does 'in-' mean?

What is not?

500

This prefix, found in 'contradict' and 'contraband,' means 'against.'

What is contra-?

500

This word means a machine for recording sound and comes from 'graph' and 'audio.'

What is audiograph?