Which to use
“keene” is an adjective and “ketone” is a noun - they look or sound alike but fill different roles in a sentence.
- #30,472
- “keene” frequency rank
- #44,884
- “ketone” frequency rank
- 75356
- confusion score
Side-by-Side Comparison
| Feature | keene | ketone |
|---|---|---|
| Definition | Obsolete form of keen. | 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. |
Letter map: keene vs ketone
Shared letters muted; letters that set keene and ketone apart highlighted. Shared run: 4. keene runs 5 letters (CVVCV) against ketone's 6 (CVCVCV) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - keene and ketone
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: keene is anadjective and ketoneanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 75356, derived from the frequency rank of both members and their visual similarity.
keene is recorded at frequency rank #30,472, classified as anadj. ketone is at rank #44,884, tagged as anoun, pronounced /ˈkiːtəʊn/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 75356, this pair ranks #33,374 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of keene vs ketone
Shared letters: ekn. Private to "keene": -. Private to "ketone": ot.
"keene" · 5 letters · shape CVVCV · "ketone" · 6 letters · shape CVCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "keene" for "ketone" ever safe?
In ordinary English text, does "keene" or "ketone" show up more?
What to do next
Pair "keene" vs "ketone" is on the table, pick a follow-up below.
- Full dictionary entry for "keene" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ketone" - compare definitions side by side with the headword page. Word entry
- This pair ranks #33,374 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "keene" and "ketone" also get mixed up with nearby pairs, the highest-scored neighbour is "Kenton vs ketone". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #33,374 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.