# CCI vs cos

> English confusable word pair

## The two words

### CCI
*name · frequency rank #48,656*
Initialism of Center for Copyright Information.

### cos
*noun · IPA /kɑs/ · frequency rank #6,553*
Synonym of romaine lettuce, a long-leaved variety of lettuce.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-02.
Canonical page: https://plainspell.com/en/vs/cci-vs-cos
