# IES vs iso

> Spanish confusable word pair

## The two words

### IES
*abbrev · IPA [ˈjes] · frequency rank #21,019*
Instituto de Educación Secundaria (España).

### iso
*noun · IPA /ìsó/ · frequency rank #12,180*
Cielo

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