# tuba vs tuff

> English confusable word pair

## The two words

### tuba
*noun · IPA /ˈtjuː.bə/ · frequency rank #35,561*
A large brass musical instrument, usually in the bass range, played through a vibration of the lips upon the mouthpiece and fingering of the keys.

### tuff
*noun · IPA /tʌf/ · frequency rank #29,499*
A light porous rock, now especially a rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/tuba-vs-tuff