What words have the root phet?

The root "phet" is not a common root in English. It's likely you're thinking of "phat," which is a slang term meaning stylish, attractive, or cool.

There are no common English words that use the root "phet" on its own. However, the word "photo" shares the root "phot" with "phet," meaning light.

If you're thinking of a different word, please clarify and I'll do my best to help!