Which to use
“casaca” and “casaco” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #37,223
- “casaca” frequency rank
- #6,510
- “casaco” frequency rank
- 43733
- confusion score
Side-by-Side Comparison
| Feature | casaca | casaco |
|---|---|---|
| Definition | paletó curto na frente, na altura da cintura e comprido atrás, com duas abas; vestuário de origem europeia e usado pelos aristocratas | peça de vestuário que os homens usam sobre a camisa ou o colete e as mulheres por cima do vestido |
Where the eye mixes casaca and casaco
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Why the eye confuses casaca with casaco
A purely visual mix-up. casaca (/kɐ.ˈza.kɐ/) and casaco (/kɐ.ˈza.ku/) 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 a single letter - a in “casaca” becomes o in “casaco”. Our composite confusion score for this pair is 43733, 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/. casaco is at rank #6,510, tagged as anoun, pronounced /kɐ.ˈza.ku/.
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 43733, this pair ranks #21,886 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of casaca vs casaco
Shared letters: acs. Private to "casaca": -. Private to "casaco": o.
"casaca" · 6 letters · shape CVCVCV · "casaco" · 6 letters · shape CVCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "casaca" for "casaco" ever safe?
In ordinary Portuguese text, does "casaca" or "casaco" show up more?
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 "casaca" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "casaco" - compare definitions side by side with the headword page. Word entry
- This pair ranks #21,886 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "casaca" and "casaco" 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 #21,886 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.