# muda vs mums

> English confusable word pair

## The two words

### muda
*noun · frequency rank #48,909*
A form of waste, or deviation from optimal allocation of resources, that occurs when work is performed that does not add value for the customer.

### mums
*noun · IPA /mʌmz/ · frequency rank #18,138*
plural of mum

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