# ill vs io

> French confusable word pair

## The two words

### ill
*adjective · IPA \ˈɪl\ · frequency rank #15,649*
Malade, malsain.

### io
*noun · IPA \jo\ · frequency rank #23,588*
Septième lettre de l’alphabet cyrillique, ё.

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