# C vs CST

> French confusable word pair

## The two words

### C
*symbol · frequency rank #23*
Symbole chimique du carbone.

### CST
*noun · IPA \se.ɛs.te\ · frequency rank #34,048*
Cellule souche tumorale.

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