# mu vs muff

> English confusable word pair

## The two words

### mu
*noun · IPA /mjuː/ · frequency rank #11,427*
The 12th letter of the Modern Greek alphabet.

### muff
*noun · IPA /mʌf/ · frequency rank #41,774*
A piece of fur or cloth, usually with open ends, used for keeping the hands warm.

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