# als vs AU

> English confusable word pair

## The two words

### als
*adverb · frequency rank #17,755*
Obsolete form of also.

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

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