# sanatorium vs sanitarium

> English confusable word pair

## The two words

### sanatorium
*noun · IPA /ˌsænəˈtɔɹiəm/ · frequency rank #36,748*
An institution that treats chronic diseases, and provides supervised recuperation and convalescence.

### sanitarium
*noun · IPA /ˌsæn.ɪˈtɛəɹ.i.əm/ · frequency rank #43,898*
Alternative form of sanatorium.

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