# OOO vs otto

> English confusable word pair

## The two words

### OOO
*adjective · frequency rank #16,289*
Abbreviation of out of office.

### otto
*noun · IPA /ˈɑtoʊ/ · frequency rank #11,755*
Alternative form of attar.

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