# flack vs flasks

> English confusable word pair

## The two words

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

### flasks
*noun · IPA /flɑːsks/ · frequency rank #44,207*
plural of flask

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