Which to use
“kook” is a noun and “Kuo” is a name - they look or sound alike but fill different roles in a sentence.
- #43,741
- “kook” frequency rank
- #38,468
- “Kuo” frequency rank
- 82209
- confusion score
Side-by-Side Comparison
| Feature | kook | Kuo |
|---|---|---|
| Definition | An eccentric, strange or crazy person. | A surname. |
Letter map: kook vs Kuo
Shared letters muted; letters that set kook and Kuo apart highlighted. Shared run: 2. kook runs 4 letters (CVVC) against Kuo's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.
Part-of-speech tell for kook / Kuo
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: kook is anoun and Kuoaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 82209, derived from the frequency rank of both members and their visual similarity.
kook is recorded at frequency rank #43,741, classified as anoun, pronounced /kuːk/. Kuo is at rank #38,468, tagged as aname.
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 82209, this pair ranks #16,166 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of kook vs Kuo
Shared letters: ko. Private to "kook": -. Private to "Kuo": u.
"kook" · 4 letters · shape CVVC · "Kuo" · 3 letters · shape CVV
Known mistypes of this pair
- kook ← kkook · kookk · okok
Frequently Asked Questions
Is swapping "kook" for "Kuo" ever safe?
Frequency check: "kook" vs "Kuo" - which ranks higher?
Useful next steps
Done with this confusable. These links stay specific to "kook" and "Kuo".
- Full dictionary entry for "kook" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Kuo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #16,166 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "kook" and "Kuo" also get mixed up with nearby pairs, the highest-scored neighbour is "kook vs Kop". 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 #16,166 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.