# rad vs RF

> English confusable word pair

## The two words

### rad
*adjective · IPA /ɹæd/ · frequency rank #15,039*
Clipping of radical (“excellent”).

### 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/rad-vs-rf