# eon vs erm

> English confusable word pair

## The two words

### eon
*noun · IPA /ˈi.ɑn/ · frequency rank #41,614*
Eternity, the duration of the universe.

### erm
*intj · IPA /ɜːm/ · frequency rank #21,789*
Used in hesitant speech, or to express uncertainty.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/eon-vs-erm