Which to use
“casa” is a noun and “cassar” is a verb - they look or sound alike but fill different roles in a sentence.
- #91
- “casa” frequency rank
- #34,183
- “cassar” frequency rank
- 34274
- confusion score
Side-by-Side Comparison
| Feature | casa | cassar |
|---|---|---|
| Definition | construção que serve de moradia | impedir que produza efeitos, anular, revogar (direitos políticos, mandatos, licenças, etc.): |
Where the eye mixes casa and cassar
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: casa vs cassar
These two trip readers on the page rather than in the ear: casa is /ˈka.zɐ/ while cassar is /ka.ˈsaɾ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 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 34274, derived from the frequency rank of both members and their visual similarity.
casa is recorded at frequency rank #91, classified as anoun, pronounced /ˈka.zɐ/. 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 34274, this pair ranks #33,040 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of casa vs cassar
Shared letters: acs. Private to "casa": -. Private to "cassar": r.
"casa" · 4 letters · shape CVCV · "cassar" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "casa" and "cassar" mean the same thing in a sentence?
Frequency check: "casa" vs "cassar" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "casa" 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 #33,040 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "casa" and "cassar" also get mixed up with nearby pairs, the highest-scored neighbour is "cassada vs cassar". 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 #33,040 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.