# REX vs Ru

> German confusable word pair

## The two words

### REX
*abbrev · IPA […] · frequency rank #11,739*
Abkürzung für Deutscher Rentenkursindex

### Ru
*abbrev · frequency rank #24,484*
Ruthenium

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