# MB vs MM

> English confusable word pair

## The two words

### MB
*symbol · frequency rank #9,916*
Abbreviation of megabyte.

### MM
*noun · frequency rank #2,262*
Initialism of Master of Music.

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