# ROS vs Rossi

> English confusable word pair

## The two words

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

### Rossi
*name · frequency rank #17,231*
A surname from Italian.

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