# cavern vs CERN

> English confusable word pair

## The two words

### cavern
*noun · IPA /ˈkav.ən/ · frequency rank #26,032*
A large cave.

### CERN
*name · frequency rank #31,908*
European Council for Nuclear Research

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