# rood vs ROS

> English confusable word pair

## The two words

### rood
*noun · IPA /ɹuːd/ · frequency rank #48,460*
A crucifix, cross, especially in a church.

### ROS
*noun · frequency rank #19,685*
Abbreviation of reactive oxygen species.

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