# mpg vs MSM

> English confusable word pair

## The two words

### mpg
*symbol · frequency rank #26,893*
Alternative letter-case form of MPG.

### MSM
*noun · frequency rank #20,171*
Initialism of methylsulfonylmethane.

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