# ass vs au

> Spanish confusable word pair

## The two words

### ass
*verb · IPA [a:s] · frequency rank #25,907*
Primera y tercera personas del singular del pretérito imperfecto de indicativo de essen.

### au
*intj · IPA [ˈaw] · frequency rank #7,821*
Indica dolor.

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