# calc vs calm

> English confusable word pair

## The two words

### calc
*noun · IPA /kalk/ · frequency rank #32,718*
Abbreviation of calculus.

### calm
*adjective · IPA /kɑm/ · frequency rank #2,777*
Peaceful, quiet, especially free from anger and anxiety.

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