# unstable vs usable

> English confusable word pair

## The two words

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

### usable
*adjective · IPA /ˈjuː.zə.bəl/ · frequency rank #14,447*
Capable of being used.

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