# undoing vs undying

> English confusable word pair

## The two words

### undoing
*noun · IPA /ʌnˈduːɪŋ/ · frequency rank #26,292*
The act of loosening or unfastening

### undying
*adjective · frequency rank #32,634*
permanent; never-ending; infinite

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