Which to use
“castelão” is an adjective and “costela” is a noun - they look or sound alike but fill different roles in a sentence.
- #23,599
- “castelão” frequency rank
- #16,721
- “costela” frequency rank
- 40320
- confusion score
Side-by-Side Comparison
| Feature | castelão | costela |
|---|---|---|
| Definition | de Castela, região da Espanha | ossos longos e achatados que ligam a coluna dorsal ao esterno, formando a caixa torácica |
Where the eye mixes castelão and costela
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. castelão runs 8 letters (CVCCVCVV) against costela's 7 (CVCCVCV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: castelão vs costela
These two trip readers on the page rather than in the ear: castelão is /kas.te.'laŋ/ ou /kas.te.'la.ʊ/ while costela is /kuʃ.ˈtɛ.lɐ/. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 40320, derived from the frequency rank of both members and their visual similarity.
castelão is recorded at frequency rank #23,599, classified as anadj, pronounced /kas.te.'laŋ/ ou /kas.te.'la.ʊ/. costela is at rank #16,721, tagged as anoun, pronounced /kuʃ.ˈtɛ.lɐ/.
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 40320, this pair ranks #25,809 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of castelão vs costela
Shared letters: acelost. Private to "castelão": ã. Private to "costela": -.
"castelão" · 8 letters · shape CVCCVCVV · "costela" · 7 letters · shape CVCCVCV
Known mistypes of this pair
- costela ← ccostela · cosetla · cosstela · costeal · costella · costlea · costtela · cotsela
Frequently Asked Questions
Do "castelão" and "costela" mean the same thing in a sentence?
In ordinary Portuguese text, does "castelão" or "costela" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "castelão" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "costela" - compare definitions side by side with the headword page. Word entry
- This pair ranks #25,809 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "castelão" and "costela" also get mixed up with nearby pairs, the highest-scored neighbour is "castelão vs castelhano". 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 #25,809 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.