# keene vs ketone

> English confusable word pair

## The two words

### keene
*adjective · frequency rank #30,472*
Obsolete form of keen.

### ketone
*noun · IPA /ˈkiːtəʊn/ · frequency rank #44,884*
A homologous series of organic molecules whose functional group is an oxygen atom joined to a carbon atom—by a double bond—in a carbon-hydrogen based molecule.

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