# unstable vs unsuitable

> English confusable word pair

## The two words

### unstable
*adjective · IPA /ʌnˈsteɪ.bəl/ · frequency rank #8,741*
Not stable.

### unsuitable
*adjective · IPA /ʌnˈsuːtəbəl/ · frequency rank #20,533*
Not suitable.

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