# acting vs ailing

> English confusable word pair

## The two words

### acting
*adjective · IPA /ˈæk.tɪŋ/ · frequency rank #1,588*
Temporarily assuming the duties or authority of another person when they are unable to do their job.

### ailing
*noun · IPA /ˈeɪ.lɪŋ/ · frequency rank #25,993*
An ailment.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/acting-vs-ailing