# flack vs flock

> English confusable word pair

## The two words

### flack
*verb · IPA /flæk/ · frequency rank #30,799*
To flutter; palpitate.

### flock
*noun · IPA /flɒk/ · frequency rank #11,384*
A number of birds together in a group, such as those gathered together for the purpose of migration.

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