# rot vs RR

> English confusable word pair

## The two words

### rot
*verb · IPA /ɹɒt/ · frequency rank #11,285*
To suffer decomposition due to biological action, especially by fungi or bacteria.

### RR
*noun · frequency rank #17,232*
Initialism of railroad.

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