cápsulavscasuloConfusable pair

Which to use

“cápsula” and “casulo” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#11,245
“cápsula” frequency rank
#32,503
“casulo” frequency rank
43748
confusion score

Side-by-Side Comparison

Feature cápsula casulo
Definition um fruto seco composto por mais de um carpelo vagem que envolve as sementes, nas favas e outras leguminosas

Where the eye mixes cápsula and casulo

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

7 ch
cápsula
6 ch
casulo

Visual trap between cápsula and casulo

A purely visual mix-up. cápsula (/ˈka.psu.lɐ/) 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 43748, derived from the frequency rank of both members and their visual similarity.

cápsula is recorded at frequency rank #11,245, classified as anoun, pronounced /ˈka.psu.lɐ/. 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 43748, this pair ranks #21,861 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cápsula vs casulo

Shared letters: aclsu. Private to "cápsula": . Private to "casulo": o.

"cápsula" · 7 letters · shape CVCCVCV  ·  "casulo" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • casuloacsulo · casluo · cassulo · casullo · casuol · causlo · ccasulo · csaulo

Frequently Asked Questions

Can "cápsula" and "casulo" be used interchangeably?
No. They are said differently (/ˈka.psu.lɐ/ versus /kɐ.ˈzu.lu/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "cápsula" or "casulo" show up more?
"cápsula" is the more common of the two: it sits at frequency rank #11,245 in our Portuguese list, against #32,503 for "casulo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "cápsula" 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 #21,861 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "cápsula" 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 #21,861 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list