# alt vs auf

> Portuguese confusable word pair

## The two words

### alt
*adjective · IPA /alt/ · frequency rank #21,650*
velho

### 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/alt-vs-auf