# tuff

> English word · Noun · IPA /tʌf/ · frequency rank #29,499

## Definitions
1. A light porous rock, now especially a rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel.

## Etymology
From French tuffe, tuf, from Italian tufo, from Latin tōfus. Doublet of tufa.

## Easily confused with
- **tug** (https://plainspell.com/en/vs/tuff-vs-tug)
- **tum** (https://plainspell.com/en/vs/tuff-vs-tum)
- **tun** (https://plainspell.com/en/vs/tuff-vs-tun)
- **tut** (https://plainspell.com/en/vs/tuff-vs-tut)
- **tux** (https://plainspell.com/en/vs/tuff-vs-tux)
- **tui** (https://plainspell.com/en/vs/tuff-vs-tui)
- **tur** (https://plainspell.com/en/vs/tuff-vs-tur)
- **turn** (https://plainspell.com/en/vs/tuff-vs-turn)
- **tune** (https://plainspell.com/en/vs/tuff-vs-tune)
- **turf** (https://plainspell.com/en/vs/tuff-vs-turf)
- **tuna** (https://plainspell.com/en/vs/tuff-vs-tuna)
- **Turk** (https://plainspell.com/en/vs/tuff-vs-turk)
- **turd** (https://plainspell.com/en/vs/tuff-vs-turd)
- **tung** (https://plainspell.com/en/vs/tuff-vs-tung)
- **tutu** (https://plainspell.com/en/vs/tuff-vs-tutu)
- **tusk** (https://plainspell.com/en/vs/tuff-vs-tusk)
- **tugs** (https://plainspell.com/en/vs/tuff-vs-tugs)
- **tuft** (https://plainspell.com/en/vs/tuff-vs-tuft)
- **Tufts** (https://plainspell.com/en/vs/tuff-vs-tufts)
- **Tu** (https://plainspell.com/en/vs/tu-vs-tuff)

## Common misspellings (4)
`tfuf`, `ttuff`, `tuf`, `utff`

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