# mer vs MP

> English confusable word pair

## The two words

### mer
*noun · frequency rank #19,904*
A repeat unit: a structural unit which through repetition forms a polymer.

### MP
*noun · frequency rank #4,395*
Initialism of Member of Parliament.

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