# capt vs cas

> English confusable word pair

## The two words

### capt
*noun · frequency rank #10,998*
Abbreviation of captain.

### cas
*adjective · IPA /kæʒ/ · frequency rank #14,713*
Abbreviation of casual.

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