Which to use
“casaca” and “casco” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #37,223
- “casaca” frequency rank
- #14,093
- “casco” frequency rank
- 51316
- confusion score
Side-by-Side Comparison
| Feature | casaca | casco |
|---|---|---|
| Definition | paletó curto na frente, na altura da cintura e comprido atrás, com duas abas; vestuário de origem europeia e usado pelos aristocratas | invólucro do crânio |
Where the eye mixes casaca and casco
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between casaca and casco
A purely visual mix-up. casaca (/kɐ.ˈza.kɐ/) and casco (/ˈkaʃ.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 1 letter(s) in length. Our composite confusion score for this pair is 51316, 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/. casco is at rank #14,093, tagged as anoun, pronounced /ˈkaʃ.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 51316, this pair ranks #13,703 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of casaca vs casco
Shared letters: acs. Private to "casaca": -. Private to "casco": o.
"casaca" · 6 letters · shape CVCVCV · "casco" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Can "casaca" and "casco" be used interchangeably?
Which is more common, "casaca" or "casco"?
What to do next
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 "casco" - compare definitions side by side with the headword page. Word entry
- This pair ranks #13,703 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "casaca" and "casco" 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 #13,703 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.