# IMO vs IOM

> English confusable word pair

## The two words

### IMO
*name · frequency rank #11,045*
Initialism of International Maritime Organization.

### IOM
*name · frequency rank #43,211*
Initialism of Institute of Medicine.

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