# c vs CU

> English confusable word pair

## The two words

### c
*character · IPA /siː/ · frequency rank #463*
The third letter of the English alphabet, called cee and written in the Latin script.

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/c-vs-cu