Which to use
“castelão” is an adjective and “castelo” is a noun - they look or sound alike but fill different roles in a sentence.
- #23,599
- “castelão” frequency rank
- #2,822
- “castelo” frequency rank
- 26421
- confusion score
Side-by-Side Comparison
| Feature | castelão | castelo |
|---|---|---|
| Definition | de Castela, região da Espanha | habitação antiga fortificada |
Where the spellings diverge
Shared letters are muted; the letters that actually set castelão and castelo apart are highlighted. They share 7 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: castelão is /kas.te.'laŋ/ ou /kas.te.'la.ʊ/ while castelo is /kɐʃ.ˈtɛ.lu/. 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 26421, 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/. castelo is at rank #2,822, tagged as anoun, pronounced /kɐʃ.ˈtɛ.lu/.
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 26421, this pair ranks #42,737 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of castelão vs castelo
Shared letters: acelost. Private to "castelão": ã. Private to "castelo": -.
"castelão" · 8 letters · shape CVCCVCVV · "castelo" · 7 letters · shape CVCCVCV
Known mistypes of this pair
- castelo ← acstelo · casetlo · casstelo · castello · casteol · castleo · casttelo · catselo
Frequency comparison
Frequently Asked Questions
Can "castelão" and "castelo" be used interchangeably?
Which is more common, "castelão" or "castelo"?
Remembering castelão vs castelo
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “castelão”; for a noun, it's “castelo”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “castelão” entry
- Browse more pairs most likely to be confused. Most confusable