Which to use
“cu” is a noun and “cuco” is an adjective - they look or sound alike but fill different roles in a sentence.
- #4,716
- “cu” frequency rank
- #30,486
- “cuco” frequency rank
- 35202
- confusion score
Side-by-Side Comparison
| Feature | cu | cuco |
|---|---|---|
| Definition | extremidade do intestino grosso; ânus | que tira partido de algo ou de uma pessoa, que é aproveitado, egoísta |
Where the eye mixes cu and cuco
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between cu and cuco
These two trip readers on the page rather than in the ear: cu is /ˈku/ while cuco is /'ku.kʊ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “cu” sits inside “cuco”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 35202, derived from the frequency rank of both members and their visual similarity.
cu is recorded at frequency rank #4,716, classified as anoun, pronounced /ˈku/. cuco is at rank #30,486, tagged as anadj, pronounced /'ku.kʊ/.
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 35202, this pair ranks #31,883 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cu vs cuco
Shared letters: cu. Private to "cu": -. Private to "cuco": o.
"cu" · 2 letters · shape CV · "cuco" · 4 letters · shape CVCV
Known mistypes of this pair
- cuco ← ccuco · ccuo · cucco · cuoc · ucco
Frequently Asked Questions
Do "cu" and "cuco" mean the same thing in a sentence?
Which is more common, "cu" or "cuco"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "cu" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cuco" - compare definitions side by side with the headword page. Word entry
- This pair ranks #31,883 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "cu" and "cuco" also get mixed up with nearby pairs, the highest-scored neighbour is "cúbico 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 #31,883 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.