Which to use
“cassar” is a verb and “causa” is a noun - they look or sound alike but fill different roles in a sentence.
- #34,183
- “cassar” frequency rank
- #340
- “causa” frequency rank
- 34523
- confusion score
Side-by-Side Comparison
| Feature | cassar | causa |
|---|---|---|
| Definition | impedir que produza efeitos, anular, revogar (direitos políticos, mandatos, licenças, etc.): | aquilo ou aquele que ocasiona um acontecimento ou faz que uma coisa exista |
Where the eye mixes cassar and causa
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. cassar runs 6 letters (CVCCVC) against causa's 5 (CVVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between cassar and causa
These two trip readers on the page rather than in the ear: cassar is /ka.ˈsaɾ/ while causa is /ˈkaw.zɐ/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 34523, derived from the frequency rank of both members and their visual similarity.
cassar is recorded at frequency rank #34,183, classified as averb, pronounced /ka.ˈsaɾ/. causa is at rank #340, tagged as anoun, pronounced /ˈkaw.zɐ/.
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 34523, this pair ranks #32,717 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cassar vs causa
Shared letters: acs. Private to "cassar": r. Private to "causa": u.
"cassar" · 6 letters · shape CVCCVC · "causa" · 5 letters · shape CVVCV
Known mistypes of this pair
Frequently Asked Questions
Can "cassar" and "causa" be used interchangeably?
Which is more common, "cassar" or "causa"?
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 "cassar" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "causa" - compare definitions side by side with the headword page. Word entry
- This pair ranks #32,717 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "cassar" and "causa" 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 #32,717 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.