# caustic vs cystic

> English confusable word pair

## The two words

### caustic
*adjective · IPA /ˈkɔːstɪk/ · frequency rank #29,959*
Capable of burning, corroding or destroying organic tissue.

### cystic
*adjective · IPA /ˈsɪstɪk/ · frequency rank #26,386*
Of or pertaining to a cyst.

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