# UDP vs undo

> English confusable word pair

## The two words

### UDP
*name · frequency rank #39,622*
Initialism of Ulster Democratic Party.

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/udp-vs-undo