# Rf vs RR

> German confusable word pair

## The two words

### Rf
*abbrev · frequency rank #29,306*
Rutherfordium

### RR
*character · IPA [r(ə)] · frequency rank #21,043*
25. Buchstabe des modernen albanischen Alphabets (Großschrift)

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