# Epo vs ESA

> English confusable word pair

## The two words

### Epo
*noun · frequency rank #47,607*
Initialism of erythropoietin.

### ESA
*name · frequency rank #20,108*
Initialism of European Space Agency.

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