Which to use
“keto” and “ketone” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,275
- “keto” frequency rank
- #44,884
- “ketone” frequency rank
- 73159
- confusion score
Side-by-Side Comparison
| Feature | keto | ketone |
|---|---|---|
| Definition | The carbonyl group of a ketone. | 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. |
Where the eye mixes keto and ketone
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. keto runs 4 letters (CVCV) against ketone's 6 (CVCVCV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: keto vs ketone
A purely visual mix-up. keto (/ˈkitoʊ/) and ketone (/ˈkiːtəʊn/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “keto” sits inside “ketone”. Our composite confusion score for this pair is 73159, derived from the frequency rank of both members and their visual similarity.
keto is recorded at frequency rank #28,275, classified as anoun, pronounced /ˈkitoʊ/. 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 73159, this pair ranks #40,555 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of keto vs ketone
Shared letters: ekot. Private to "keto": -. Private to "ketone": n.
"keto" · 4 letters · shape CVCV · "ketone" · 6 letters · shape CVCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "keto" and "ketone" mean the same thing in a sentence?
Frequency check: "keto" vs "ketone" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "keto" 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 #40,555 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "keto" 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 #40,555 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.