# OAS vs OMB

> English confusable word pair

## The two words

### OAS
*name · frequency rank #44,377*
Initialism of Organization of American States.

### OMB
*name · frequency rank #38,528*
Initialism of Office of Management and Budget.

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