# GPO vs GSM

> English confusable word pair

## The two words

### GPO
*name · frequency rank #47,075*
Initialism of General Post Office.

### GSM
*name · frequency rank #23,851*
Initialism of Global System for Mobile communications.

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