Which to use
“casaco” is a noun and “castro” is a verb - they look or sound alike but fill different roles in a sentence.
- #6,510
- “casaco” frequency rank
- #2,264
- “castro” frequency rank
- 8774
- confusion score
Side-by-Side Comparison
| Feature | casaco | castro |
|---|---|---|
| Definition | peça de vestuário que os homens usam sobre a camisa ou o colete e as mulheres por cima do vestido | cortar |
Where the eye mixes casaco and castro
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: casaco vs castro
These two trip readers on the page rather than in the ear: casaco is /kɐ.ˈza.ku/ while castro is /ˈkas.troː/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 8774, derived from the frequency rank of both members and their visual similarity.
casaco is recorded at frequency rank #6,510, classified as anoun, pronounced /kɐ.ˈza.ku/. castro is at rank #2,264, tagged as averb, pronounced /ˈkas.troː/.
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 8774, this pair ranks #64,876 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of casaco vs castro
Shared letters: acos. Private to "casaco": -. Private to "castro": rt.
"casaco" · 6 letters · shape CVCVCV · "castro" · 6 letters · shape CVCCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "casaco" for "castro" ever safe?
In ordinary Portuguese text, does "casaco" or "castro" show up more?
Useful next steps
Eye-level mix-up between "casaco" and "castro" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "casaco" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "castro" - compare definitions side by side with the headword page. Word entry
- This pair ranks #64,876 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "casaco" and "castro" also get mixed up with nearby pairs, the highest-scored neighbour is "castro vs claustro". 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 #64,876 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.