# PK vs px

> French confusable word pair

## The two words

### PK
*noun · IPA \pe.ka\ · frequency rank #15,207*
Protéine-kinase.

### px
*symbol · frequency rank #36,118*
Symbole du pixel.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/fr/vs/pk-vs-px