casacavscasarãoConfusable pair

Which to use

“casaca” and “casarão” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#37,223
“casaca” frequency rank
#22,902
“casarão” frequency rank
60125
confusion score

Side-by-Side Comparison

Feature casaca casarão
Definition paletó curto na frente, na altura da cintura e comprido atrás, com duas abas; vestuário de origem europeia e usado pelos aristocratas aumentativo de casa; casa grande

Where the eye mixes casaca and casarão

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. casaca 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.

6 ch
casaca
7 ch
casarão

Why the eye confuses casaca with casarão

A purely visual mix-up. casaca (/kɐ.ˈza.kɐ/) 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 60125, derived from the frequency rank of both members and their visual similarity.

casaca is recorded at frequency rank #37,223, classified as anoun, pronounced /kɐ.ˈza.kɐ/. 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 60125, this pair ranks #7,831 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of casaca vs casarão

Shared letters: acs. Private to "casaca": -. Private to "casarão": orã.

"casaca" · 6 letters · shape CVCVCV  ·  "casarão" · 7 letters · shape CVCVCVV

Known mistypes of this pair

  • casaca ← acsaca · caasca · casaac · casacca · cascaa · cassaca · ccasaca · csaaca

Frequently Asked Questions

Is swapping "casaca" for "casarão" ever safe?
No. They are said differently (/kɐ.ˈza.kɐ/ versus /kɐ.zɐ.ˈɾɐ̃w̃/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "casaca" or "casarão"?
"casarão" is the more common of the two: it sits at frequency rank #22,902 in our Portuguese list, against #37,223 for "casaca". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "casaca" 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 #7,831 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "casaca" and "casarão" also get mixed up with nearby pairs, the highest-scored neighbour is "casaca vs cassada". 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 #7,831 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list