# duff vs dull

> English confusable word pair

## The two words

### duff
*noun · IPA /dʌf/ · frequency rank #18,063*
Dough.

### dull
*adjective · IPA /dʌl/ · frequency rank #7,788*
Lacking the ability to cut easily; not sharp.

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