# protease vs Proteus

> English confusable word pair

## The two words

### protease
*noun · IPA /ˈpɹəʊtɪeɪz/ · frequency rank #38,114*
An enzyme that cuts or cleaves proteins.

### Proteus
*name · IPA /ˈpɹəʊtjuːs/ · frequency rank #39,973*
A sea god who could change his shape at will.

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