# arder vs árduo

> Portuguese confusable word pair

## The two words

### arder
*verb · IPA /ɐɾ.ˈdeɾ/ · frequency rank #20,500*
inflamar-se, estar em chamas

### árduo
*adjective · IPA /ˈaɾ.dwu/ · frequency rank #22,504*
de difícil acesso

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