# RC vs RFF

> French confusable word pair

## The two words

### RC
*noun · IPA \ɛʁ.se\ · frequency rank #12,460*
Revenu cadastral.

### RFF
*noun · frequency rank #48,763*
Réseau ferré de France

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-02.
Canonical page: https://plainspell.com/fr/vs/rc-vs-rff