# mm vs moo

> Spanish confusable word pair

## The two words

### mm
*noun · IPA [ˈm] · frequency rank #2,511*
Abreviatura de milímetro.

### moo
*noun · IPA [muː] · frequency rank #42,574*
Onomatopeya del mugido de un bovino; mu.

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