# af vs auf

> Spanish confusable word pair

## The two words

### af
*adjective · IPA /af/ · frequency rank #20,246*
Enfermo.

### auf
*preposition · IPA [aʊ̯f] · frequency rank #35,364*
Arriba de, sobre, en.

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