# flask vs flax

> English confusable word pair

## The two words

### flask
*noun · IPA /ˈflɑːsk/ · frequency rank #22,379*
A narrow-necked vessel of metal or glass, used for various purposes; as of sheet metal, to carry gunpowder in; or of wrought iron, to contain quicksilver; or of glass, to heat water in, etc.

### flax
*noun · IPA /flæks/ · frequency rank #27,151*
A plant of the genus Linum, especially Linum usitatissimum, which has a single, slender stalk, about a foot and a half high, with blue flowers. Also known as linseed, especially when referring to the seeds.

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