# CU vs cuss

> English confusable word pair

## The two words

### CU
*noun · frequency rank #13,895*
Initialism of control unit.

### cuss
*verb · IPA /kʌs/ · frequency rank #35,674*
To use cursing, to use bad language, to speak profanely.

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