# dun vs dunno

> English confusable word pair

## The two words

### dun
*noun · IPA /dʌn/ · frequency rank #18,810*
A brownish grey colour.

### dunno
*contraction · IPA /ˈdʌnəʊ/ · frequency rank #10,203*
Pronunciation spelling of do not know; pronunciation spelling of does not know.

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