# IQ vs IR

> German confusable word pair

## The two words

### IQ
*abbrev · IPA [iːˈkuː] · frequency rank #9,573*
Intelligenzquotient

### IR
*abbrev · frequency rank #14,329*
infrarot, Infrarot

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