Which to use
“casaco” and “casulo” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #6,510
- “casaco” frequency rank
- #32,503
- “casulo” frequency rank
- 39013
- confusion score
Side-by-Side Comparison
| Feature | casaco | casulo |
|---|---|---|
| Definition | peça de vestuário que os homens usam sobre a camisa ou o colete e as mulheres por cima do vestido | vagem que envolve as sementes, nas favas e outras leguminosas |
Where the eye mixes casaco and casulo
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses casaco with casulo
A purely visual mix-up. casaco (/kɐ.ˈza.ku/) and casulo (/kɐ.ˈzu.lu/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 39013, 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/. casulo is at rank #32,503, tagged as anoun, pronounced /kɐ.ˈzu.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 39013, this pair ranks #27,346 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of casaco vs casulo
Shared letters: acos. Private to "casaco": -. Private to "casulo": lu.
"casaco" · 6 letters · shape CVCVCV · "casulo" · 6 letters · shape CVCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "casaco" for "casulo" ever safe?
Which is more common, "casaco" or "casulo"?
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 "casaco" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "casulo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #27,346 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "casaco" and "casulo" also get mixed up with nearby pairs, the highest-scored neighbour is "casulo vs coágulo". 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 #27,346 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.