# oo vs oui

> English confusable word pair

## The two words

### oo
*noun · frequency rank #13,572*
(Ω, ω) The Greek letter omega.

### oui
*intj · IPA /wiː/ · frequency rank #44,386*
Synonym of yes.

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