Which to use
“casaco” and “casarão” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #6,510
- “casaco” frequency rank
- #22,902
- “casarão” frequency rank
- 29412
- confusion score
Side-by-Side Comparison
| Feature | casaco | casarão |
|---|---|---|
| Definition | peça de vestuário que os homens usam sobre a camisa ou o colete e as mulheres por cima do vestido | aumentativo de casa; casa grande |
Where the eye mixes casaco and casarão
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. casaco runs 6 letters (CVCVCV) against casarão's 7 (CVCVCVV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses casaco with casarão
A purely visual mix-up. casaco (/kɐ.ˈza.ku/) and casarão (/kɐ.zɐ.ˈɾɐ̃w̃/) 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 1 letter(s) in length. Our composite confusion score for this pair is 29412, derived from the frequency rank of both members and their visual similarity.
casaco is recorded at frequency rank #6,510, classified as anoun, pronounced /kɐ.ˈza.ku/. casarão is at rank #22,902, tagged as anoun, pronounced /kɐ.zɐ.ˈɾɐ̃w̃/.
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 29412, this pair ranks #39,225 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of casaco vs casarão
Shared letters: acos. Private to "casaco": -. Private to "casarão": rã.
"casaco" · 6 letters · shape CVCVCV · "casarão" · 7 letters · shape CVCVCVV
Known mistypes of this pair
- casaco ← acsaco · caasco · casacco · casaoc · cascao · cassaco · ccasaco · csaaco
Frequently Asked Questions
Can "casaco" and "casarão" be used interchangeably?
Which is more common, "casaco" or "casarão"?
Useful next steps
Eye-level mix-up between "casaco" and "casarão" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "casaco" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "casarão" - compare definitions side by side with the headword page. Word entry
- This pair ranks #39,225 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "casaco" and "casarão" also get mixed up with nearby pairs, the highest-scored neighbour is "casarão vs castrado". 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 #39,225 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.