# rib vs RM

> English confusable word pair

## The two words

### rib
*noun · IPA /ɹɪb/ · frequency rank #13,230*
Any of a series of long curved bones occurring in 12 pairs in humans and other animals and extending from the spine to or toward the sternum.

### RM
*noun · frequency rank #10,437*
Initialism of reichsmark.

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