# As vs auf

> Portuguese confusable word pair

## The two words

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

### auf
*adverb · IPA /aʊ̯f/ · frequency rank #42,318*
aberto

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