# PK vs pub

> French confusable word pair

## The two words

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

### pub
*noun · IPA \pyb\ · frequency rank #2,638*
Message publicitaire.

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