# pcm vs pump

> English confusable word pair

## The two words

### pcm
*adverb · frequency rank #41,305*
Initialism of per calendar month.

### pump
*noun · IPA /pʌmp/ · frequency rank #4,480*
A device for moving or compressing a liquid or gas.

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