# refs vs ROS

> English confusable word pair

## The two words

### refs
*noun · frequency rank #11,591*
A scheduled meal break during a shift.

### 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/refs-vs-ros