# pb vs PK

> French confusable word pair

## The two words

### pb
*noun · IPA \pʁɔ.blɛm\ · frequency rank #15,711*
Problème.

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

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