# addon vs aeon

> English confusable word pair

## The two words

### addon
*noun · frequency rank #45,188*
Alternative form of add-on.

### aeon
*noun · frequency rank #44,598*
Commonwealth standard spelling of eon.

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