# HMAS vs HMO

> English confusable word pair

## The two words

### HMAS
*noun · frequency rank #47,099*
His/Her Majesty's Australian Ship; the designation of Australian ships and naval bases.

### HMO
*noun · frequency rank #45,979*
Initialism of health maintenance organization.

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