# UD vs und

> English confusable word pair

## The two words

### UD
*adjective · frequency rank #23,139*
Abbreviation of undead.

### und
*noun · IPA /ʌnd/ · frequency rank #7,867*
A wave.

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