# flasks vs floss

> English confusable word pair

## The two words

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

### floss
*noun · IPA /flɒs/ · frequency rank #22,974*
A thread used to clean the gaps between the teeth.

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