# o's vs ou

> English confusable word pair

## The two words

### o's
*noun · IPA /əʊz/ · frequency rank #30,902*
plural of the letter o

### 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: 2026-09-02.
Canonical page: https://plainspell.com/en/vs/o-s-vs-ou
