# aced vs ACS

> English confusable word pair

## The two words

### aced
*verb · IPA /eɪst/ · frequency rank #46,285*
simple past and past participle of ace

### ACS
*name · frequency rank #24,368*
Initialism of Australian Computer Society.

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