# OCD vs on

> English confusable word pair

## The two words

### OCD
*adjective · frequency rank #19,922*
Exhibiting an obsessive tendency.

### on
*adjective · IPA /ɒn/ · frequency rank #13*
In the state of being active, functioning or operating.

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