# obs vs odds

> English confusable word pair

## The two words

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

### odds
*noun · IPA /ɑdz/ · frequency rank #4,471*
The ratio of the probability of an event happening to that of it not happening.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/obs-vs-odds