# r vs RF

> English confusable word pair

## The two words

### r
*character · IPA /ɑː(ɹ)/ · frequency rank #449*
The eighteenth letter of the English alphabet, called ar and written in the Latin script.

### RF
*noun · frequency rank #14,007*
Initialism of right foot.

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