# casual vs costal

> English confusable word pair

## The two words

### casual
*adjective · IPA /ˈkaʒ(uː)əl/ · frequency rank #4,832*
Happening by chance.

### costal
*adjective · IPA /ˈkɑstl̩/ · frequency rank #46,995*
Pertaining to a rib.

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