# is vs iso

> English confusable word pair

## The two words

### is
*verb · IPA /ɪz/ · frequency rank #8*
third-person singular simple present indicative of be

### iso
*noun · IPA /ˈaɪsəʊ/ · frequency rank #9,771*
Clipping of isolation.

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