# cost vs CST

> French confusable word pair

## The two words

### cost
*noun · IPA \kɒst\ · frequency rank #14,234*
Coût.

### 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: 2026-09-03.
Canonical page: https://plainspell.com/fr/vs/cost-vs-cst