# biff vs BNF

> French confusable word pair

## The two words

### biff
*noun · IPA \bif\ · frequency rank #39,670*
Argent, billet de banque.

### BNF
*noun · IPA \be.ɛn.ɛf\ · frequency rank #23,782*
Backus-Naur Form

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