Which to use
“cuco” is a noun and “cuyo” is an adjective - they look or sound alike but fill different roles in a sentence.
- #26,386
- “cuco” frequency rank
- #1,240
- “cuyo” frequency rank
- 27626
- confusion score
Side-by-Side Comparison
| Feature | cuco | cuyo |
|---|---|---|
| Definition | Nombre de diversas especies de aves pertenecientes a la familia de los cucúlidos. La mayoría son insectívoras. Muchos cucos son parásitos de otras aves. | Caso de genitivo del pronombre relativo, equivalente a de quien, de que o del cual. |
Where the eye mixes cuco and cuyo
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: cuco vs cuyo
These two trip readers on the page rather than in the ear: cuco is [ˈkuko] while cuyo is [ˈkuʝo]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - c in “cuco” becomes y in “cuyo”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 27626, derived from the frequency rank of both members and their visual similarity.
cuco is recorded at frequency rank #26,386, classified as anoun, pronounced [ˈkuko]. cuyo is at rank #1,240, tagged as anadj, pronounced [ˈkuʝo].
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 27626, this pair ranks #225,931 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cuco vs cuyo
Shared letters: cou. Private to "cuco": -. Private to "cuyo": y.
"cuco" · 4 letters · shape CVCV · "cuyo" · 4 letters · shape CVVV
Known mistypes of this pair
Frequently Asked Questions
Can "cuco" and "cuyo" be used interchangeably?
In ordinary Spanish text, does "cuco" or "cuyo" show up more?
What to do next
Eye-level mix-up between "cuco" and "cuyo" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "cuco" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cuyo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #225,931 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "cuco" and "cuyo" also get mixed up with nearby pairs, the highest-scored neighbour is "cuc vs cuco". 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 #225,931 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.