# echo vs ergo

> English confusable word pair

## The two words

### echo
*noun · IPA /ˈɛkəʊ/ · frequency rank #6,679*
A reflected sound that is heard again by its initial observer.

### ergo
*adverb · IPA /ˈɛɚɡoʊ/ · frequency rank #30,025*
Consequently, therefore, or thus.

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