# CMV vs coo

> English confusable word pair

## The two words

### CMV
*noun · frequency rank #46,987*
Initialism of cytomegalovirus.

### coo
*noun · IPA /kuː/ · frequency rank #19,567*
The murmuring sound made by a dove or pigeon.

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