# ae vs au

> Spanish confusable word pair

## The two words

### ae
*adverb · IPA /aˈe/ · frequency rank #20,556*
Por causa de.

### 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/ae-vs-au