# crust vs crux

> English confusable word pair

## The two words

### crust
*noun · IPA /kɹʌst/ · frequency rank #11,194*
A more solid, dense or hard layer on a surface or boundary.

### crux
*noun · IPA /kɹʌks/ · frequency rank #27,109*
The basic, central, or essential point or feature.

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