Which to use
“coo” and “crook” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #19,567
- “coo” frequency rank
- #16,881
- “crook” frequency rank
- 36448
- confusion score
Side-by-Side Comparison
| Feature | coo | crook |
|---|---|---|
| Definition | The murmuring sound made by a dove or pigeon. | A bend; turn; curve; curvature; a flexure. |
Where the eye mixes coo and crook
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between coo and crook
A purely visual mix-up. coo (/kuː/) and crook (/kɹʊk/) 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 letter(s) in length. Our composite confusion score for this pair is 36448, derived from the frequency rank of both members and their visual similarity.
coo is recorded at frequency rank #19,567, classified as anoun, pronounced /kuː/. crook is at rank #16,881, tagged as anoun, pronounced /kɹʊk/.
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 36448, this pair ranks #303,136 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of coo vs crook
Shared letters: co. Private to "coo": -. Private to "crook": kr.
"coo" · 3 letters · shape CVV · "crook" · 5 letters · shape CCVVC
Known mistypes of this pair
- crook ← ccrook · corok · croko · crookk · crrook · rcook
Frequently Asked Questions
Do "coo" and "crook" mean the same thing in a sentence?
Frequency check: "coo" vs "crook" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "coo" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "crook" - compare definitions side by side with the headword page. Word entry
- This pair ranks #303,136 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "coo" and "crook" also get mixed up with nearby pairs, the highest-scored neighbour is "CGT vs coo". 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 #303,136 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.