# oo vs Oreo

> English confusable word pair

## The two words

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

### Oreo
*noun · IPA /ˈɔɹioʊ/ · frequency rank #30,521*
A cookie made of two wafers joined with a sugary filling, particularly a Nabisco cookie with two alkalized cocoa-powder wafers around a white creme filling.

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