# def vs dy

> French confusable word pair

## The two words

### def
*noun · IPA \dɛf\ · frequency rank #20,691*
Casquette.

### dy
*adjective · IPA \dy\ · frequency rank #45,564*
Deux.

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