# csi vs cts

> French confusable word pair

## The two words

### csi
*noun · IPA \ˈksi\ · frequency rank #30,552*
Ksi.

### cts
*noun · IPA \ka.ʁa\ · frequency rank #39,736*
Carats

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/fr/vs/csi-vs-cts