caspavscassarTell them apart

Quick tell: caspa is a noun, cassar is a verb, so they fill different roles in a sentence.

Which to use

“caspa” is a noun and “cassar” is a verb - they look or sound alike but fill different roles in a sentence.

#42,827
“caspa” frequency rank
#34,183
“cassar” frequency rank
77010
confusion score

Side-by-Side Comparison

Feature caspa cassar
Definition doença cutânea caracterizada pela escamação excessiva de pele morta no couro cabeludo impedir que produza efeitos, anular, revogar (direitos políticos, mandatos, licenças, etc.):

Where the eye mixes caspa and cassar

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. caspa runs 5 letters (CVCCV) against cassar's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
caspa
6 ch
cassar

Look-alike desk: caspa vs cassar

These two trip readers on the page rather than in the ear: caspa is /ˈkas.pɐ/ while cassar is /ka.ˈsaɾ/. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 77010, derived from the frequency rank of both members and their visual similarity.

caspa is recorded at frequency rank #42,827, classified as anoun, pronounced /ˈkas.pɐ/. cassar is at rank #34,183, tagged as averb, pronounced /ka.ˈsaɾ/.

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 77010, this pair ranks #1,983 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of caspa vs cassar

Shared letters: acs. Private to "caspa": p. Private to "cassar": r.

"caspa" · 5 letters · shape CVCCV  ·  "cassar" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • caspa ← acspa · capsa · casap · casppa · casspa · ccaspa · csapa
  • cassar ← acssar · casar · casasr · cassarr · cassra · ccassar · csasar

Frequently Asked Questions

Is swapping "caspa" for "cassar" ever safe?
No - they are not even the same part of speech. "caspa" is a noun and "cassar" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "caspa" or "cassar"?
"cassar" is the more common of the two: it sits at frequency rank #34,183 in our Portuguese list, against #42,827 for "caspa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "caspa" and "cassar" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "caspa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cassar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,983 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "caspa" and "cassar" also get mixed up with nearby pairs, the highest-scored neighbour is "canja vs caspa". 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 #1,983 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