# an vs ao

> Portuguese confusable word pair

## The two words

### an
*adverb · IPA /an/ · frequency rank #2,817*
ligado, aceso:

### 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: 2026-09-03.
Canonical page: https://plainspell.com/pt/vs/an-vs-ao