# dun vs duro

> Portuguese confusable word pair

## The two words

### dun
*noun · IPA /duːn/, [d̥uːˀn] · frequency rank #45,320*
penugem imatura em pássaros jovens

### duro
*adjective · frequency rank #3,070*
difícil de quebrar ou de desfazer

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