# ach vs ao

> Portuguese confusable word pair

## The two words

### ach
*intj · frequency rank #48,212*
oh

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

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