# ill vs IU

> Spanish confusable word pair

## The two words

### ill
*adjective · IPA /ɪl/ · frequency rank #43,059*
Enfermo.

### IU
*abbrev · IPA [ˈju] · frequency rank #11,800*
Sigla de Izquierda Unida.

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