# OST vs ow

> English confusable word pair

## The two words

### OST
*noun · frequency rank #21,603*
Initialism of original soundtrack.

### ow
*intj · IPA /ˈaʊ/ · frequency rank #12,291*
Synonym of ouch (“cry of pain”).

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