# undo vs undone

> English confusable word pair

## The two words

### undo
*verb · IPA /ʌnˈduː/ · frequency rank #13,631*
To reverse the effects of an action.

### undone
*adjective · IPA /ʌnˈdʌn/ · frequency rank #17,987*
Not done.

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