# opus vs ou

> English confusable word pair

## The two words

### opus
*noun · IPA /ˈəʊpəs/ · frequency rank #23,619*
A work of music or set of works with a specified rank in an ordering of a composer's complete published works.

### ou
*noun · IPA /ˈəʊ.uː/ · frequency rank #10,099*
A probably extinct species of Hawaiian honeycreeper, Psittirostra psittacea.

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