Which to use
“casco” and “casulo” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #14,093
- “casco” frequency rank
- #32,503
- “casulo” frequency rank
- 46596
- confusion score
Side-by-Side Comparison
| Feature | casco | casulo |
|---|---|---|
| Definition | invólucro do crânio | vagem que envolve as sementes, nas favas e outras leguminosas |
Where the eye mixes casco and casulo
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between casco and casulo
A purely visual mix-up. casco (/ˈkaʃ.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 differ by 1 letter(s) in length. Our composite confusion score for this pair is 46596, derived from the frequency rank of both members and their visual similarity.
casco is recorded at frequency rank #14,093, classified as anoun, pronounced /ˈkaʃ.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 46596, this pair ranks #18,703 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of casco vs casulo
Shared letters: acos. Private to "casco": -. Private to "casulo": lu.
"casco" · 5 letters · shape CVCCV · "casulo" · 6 letters · shape CVCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "casco" for "casulo" ever safe?
Frequency check: "casco" vs "casulo" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "casco" 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 #18,703 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "casco" 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 #18,703 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.