# OST vs otto

> English confusable word pair

## The two words

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

### otto
*noun · IPA /ˈɑtoʊ/ · frequency rank #11,755*
Alternative form of attar.

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