# codex vs Cortex

> German confusable word pair

## The two words

### codex
*noun · IPA [kɔ.dɛks] · frequency rank #17,248*
Arzneibuch, Kodex

### Cortex
*noun · IPA [ˈkɔʁtɛks] · frequency rank #48,047*
Außenschicht eines Organs

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