# OCC vs oo

> English confusable word pair

## The two words

### OCC
*name · frequency rank #43,291*
Initialism of Office of the Comptroller of the Currency.

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

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