# tooth vs tough

> English confusable word pair

## The two words

### tooth
*noun · IPA /tuːθ/ · frequency rank #6,305*
A hard, calcareous structure present in the mouth of many vertebrate animals, generally used for biting and chewing food.

### tough
*adjective · IPA /tʌf/ · frequency rank #1,777*
Strong and resilient; sturdy.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/tooth-vs-tough