# m vs MO

> English confusable word pair

## The two words

### m
*character · IPA /ɛm/ · frequency rank #401*
The thirteenth letter of the English alphabet, called em and written in the Latin script.

### MO
*noun · frequency rank #3,770*
Initialism of modus operandi.

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