# cer vs CTC

> French confusable word pair

## The two words

### cer
*noun · IPA \ˈʧeɾ\ · frequency rank #46,052*
Ciel.

### CTC
*noun · IPA \se.te.se\ · frequency rank #44,964*
Cellule tumorale circulante.

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