# obs vs oi

> English confusable word pair

## The two words

### obs
*noun · frequency rank #34,614*
Police observation.

### oi
*intj · IPA /ɔɪ/ · frequency rank #11,081*
Said to get someone's attention; hey.

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