# ao vs As

> Portuguese confusable word pair

## The two words

### ao
*contraction · IPA /aw/ · frequency rank #27*
contração da preposição a com o artigo definido o

### As
*noun · IPA /as/ · frequency rank #22*
forma obsoleta de Ass

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/pt/vs/ao-vs-as