# old vs oo

> English confusable word pair

## The two words

### old
*adjective · IPA /ˈəʊld/ · frequency rank #174*
Of an object, concept, relationship, etc., having existed for a relatively long period of time.

### 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/old-vs-oo