# quack vs quasi

> English confusable word pair

## The two words

### quack
*noun · IPA /kwæk/ · frequency rank #26,927*
The sound made by a duck.

### quasi
*adjective · IPA /ˈkweɪzaɪ/ · frequency rank #15,250*
Resembling or having a likeness to the named thing.

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