# eon vs Erc

> English confusable word pair

## The two words

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

### Erc
*name · frequency rank #43,630*
A member of the conspiracy that killed Cúchulainn, but was killed by his second cousin Conall the Victorious. Son of Cairbre Nia Fer and brother of Achall.

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