# AAU vs ACLU

> English confusable word pair

## The two words

### AAU
*noun · frequency rank #43,489*
Initialism of assigned amount unit.

### ACLU
*name · frequency rank #21,127*
Initialism of American Civil Liberties Union.

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