# ADF vs ardu

> French confusable word pair

## The two words

### ADF
*noun · IPA \a.de.ɛf\ · frequency rank #42,719*
Appel de fonds.

### ardu
*adjective · IPA \aʁ.dy\ · frequency rank #34,869*
D’accès difficile.

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