# ill vs IQ

> English confusable word pair

## The two words

### ill
*adjective · IPA /ɪl/ · frequency rank #1,946*
Evil; wicked (of people).

### IQ
*noun · IPA /ˌaɪ ˈkjuː/ · frequency rank #11,406*
Initialism of intelligence quotient.

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