Which to use
“casarão” is a noun and “castrado” is a verb - they look or sound alike but fill different roles in a sentence.
- #22,902
- “casarão” frequency rank
- #46,729
- “castrado” frequency rank
- 69631
- confusion score
Side-by-Side Comparison
| Feature | casarão | castrado |
|---|---|---|
| Definition | aumentativo de casa; casa grande | particípio passado de castrar |
Where the eye mixes casarão and castrado
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. casarão runs 7 letters (CVCVCVV) against castrado's 8 (CVCCCVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between casarão and castrado
These two trip readers on the page rather than in the ear: casarão is /kɐ.zɐ.ˈɾɐ̃w̃/ while castrado is /kɐʃ.ˈtɾa.du/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 69631, derived from the frequency rank of both members and their visual similarity.
casarão is recorded at frequency rank #22,902, classified as anoun, pronounced /kɐ.zɐ.ˈɾɐ̃w̃/. castrado is at rank #46,729, tagged as averb, pronounced /kɐʃ.ˈtɾa.du/.
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 69631, this pair ranks #3,889 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of casarão vs castrado
Shared letters: acors. Private to "casarão": ã. Private to "castrado": dt.
"casarão" · 7 letters · shape CVCVCVV · "castrado" · 8 letters · shape CVCCCVCV
Known mistypes of this pair
- castrado ← acstrado · casrtado · casstrado · castardo · castraddo · castraod · castrdao · castrrado
Frequently Asked Questions
Is swapping "casarão" for "castrado" ever safe?
Which is more common, "casarão" or "castrado"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "casarão" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "castrado" - compare definitions side by side with the headword page. Word entry
- This pair ranks #3,889 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "casarão" and "castrado" also get mixed up with nearby pairs, the highest-scored neighbour is "cassado 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 #3,889 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.