Which to use
“cu” and “cubo” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #4,716
- “cu” frequency rank
- #12,210
- “cubo” frequency rank
- 16926
- confusion score
Side-by-Side Comparison
| Feature | cu | cubo |
|---|---|---|
| Definition | extremidade do intestino grosso; ânus | hexaedro regular; sólido de seis faces quadradas iguais |
Where the eye mixes cu and cubo
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between cu and cubo
A purely visual mix-up. cu (/ˈku/) and cubo (/ˈku.bu/) 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 extra letter(s) - “cu” sits inside “cubo”. Our composite confusion score for this pair is 16926, 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/. cubo is at rank #12,210, tagged as anoun, pronounced /ˈku.bu/.
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 16926, this pair ranks #54,470 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cu vs cubo
Shared letters: cu. Private to "cu": -. Private to "cubo": bo.
"cu" · 2 letters · shape CV · "cubo" · 4 letters · shape CVCV
Known mistypes of this pair
- cubo ← cbuo · ccubo · cubbo · cuob · ucbo
Frequently Asked Questions
Can "cu" and "cubo" be used interchangeably?
In ordinary Portuguese text, does "cu" or "cubo" show up more?
After this comparison
Eye-level mix-up between "cu" and "cubo" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "cu" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cubo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #54,470 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "cu" and "cubo" also get mixed up with nearby pairs, the highest-scored neighbour is "cúbico vs cubo". 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 #54,470 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.