# tuff vs tun

> English confusable word pair

## The two words

### 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.

### tun
*noun · IPA /tʌn/ · frequency rank #30,265*
A large cask; an oblong vessel bulging in the middle, like a pipe or puncheon, and girt with hoops; a wine cask. (See a diagram comparing cask sizes.)

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