# mer vs mm

> Spanish confusable word pair

## The two words

### mer
*noun · IPA [mɛʁ] · frequency rank #21,067*
Mar.

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

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