# addition vs additional

> English confusable word pair

## The two words

### addition
*noun · IPA /əˈdɪʃ.ən/ · frequency rank #1,037*
The act of adding anything.

### additional
*adjective · IPA /əˈdɪʃənəl/ · frequency rank #1,115*
Supplemental or added to something.

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