# ae vs af

> Spanish confusable word pair

## The two words

### ae
*adverb · IPA /aˈe/ · frequency rank #20,556*
Por causa de.

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

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