# fa vs fo

> Spanish confusable word pair

## The two words

### fa
*noun · IPA [ˈfa] · frequency rank #5,107*
En solfeo, cuarta nota de la escala musical.

### fo
*intj · IPA [ˈfo] · frequency rank #20,044*
Expresión usada al percibir mal olor o sabor.

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