# flex vs fluo

> French confusable word pair

## The two words

### flex
*adjective · IPA \fleks\ · frequency rank #31,032*
Qui fait preuve de flexibilité.

### fluo
*adjective · IPA \fly.o\ · frequency rank #22,270*
Fluorescent.

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