coo-coo
/ˈkuku/
"coo-coo" is a 6-letter English headword indexed on PlainSpell.
The verdict
“coo-coo” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 7
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The two-note vocalisation made by the male of the common cuckoo (Cuculus canorus), or imitation of this by a cuckoo clock.
| Property | Value |
|---|---|
| Headword | coo-coo |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈkuku/ |
| Letters | 7 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “coo-coo” sits in English frequency
Spelling & Dictionary Insight
The English entry for coo-coo is 7 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈkuku/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
Our edit-distance generator produced no likely misspellings for coo-coo, suggesting the orthography follows predictable English patterns. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.
This entry carries no recorded etymology, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is coo-coo, spelled C-O-O---C-O-O.
Definition
- 1The two-note vocalisation made by the male of the common cuckoo (Cuculus canorus), or imitation of this by a cuckoo clock.
- 2A Barbadian food made from mashed okra and cornmeal.
- 3A loving or affectionate murmuration.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “coo-coo”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-O-O---C-O-O - every other letter order is a misspelling in standard orthography.
- Say it as /ˈkuku/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.