# atrial vs atrium

> English confusable word pair

## The two words

### atrial
*adjective · IPA /ˈeɪtɹi.əl/ · frequency rank #30,323*
Of or pertaining to an atrium, especially the atrium of the heart.

### atrium
*noun · IPA /ˈeɪ.tɹi.əm/ · frequency rank #24,664*
A central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings.

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