# M4 vs Mo

> French confusable word pair

## The two words

### M4
*noun · IPA \ɛm katʁ\ · frequency rank #39,888*
Messier 4, un amas globulaire.

### Mo
*noun · IPA \me.tʁo\ · frequency rank #7,993*
Métro.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/fr/vs/m4-vs-mo