# ERP vs expo

> English confusable word pair

## The two words

### ERP
*noun · frequency rank #28,194*
Initialism of effective radiated power or equivalent radiated power.

### expo
*noun · frequency rank #12,237*
An exposition (type of public exhibition).

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