# ad vs au

> Spanish confusable word pair

## The two words

### ad
*noun · IPA [ɑd] · frequency rank #5,365*
Nombre.

### 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/ad-vs-au