# AU vs auld

> English confusable word pair

## The two words

### AU
*noun · frequency rank #6,867*
Initialism of alopecia universalis.

### auld
*adjective · IPA /oʊld/ · frequency rank #31,071*
Old.

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