Which to use
“sanção” is a noun and “senão” is a conjunction - they look or sound alike but fill different roles in a sentence.
- #16,876
- “sanção” frequency rank
- #3,044
- “senão” frequency rank
- 19920
- confusion score
Side-by-Side Comparison
| Feature | sanção | senão |
|---|---|---|
| Definition | ato de sancionar uma lei; aprovação, pelo presidente, de uma lei votada no legislativo | em caso contrário |
Where the eye mixes sanção and senão
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. sanção runs 6 letters (CVCCVV) against senão's 5 (CVCVV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses sanção with senão
These two trip readers on the page rather than in the ear: sanção is /sɐ̃.ˈsɐ̃w̃/ while senão is /sɨ.ˈnɐ̃w̃/. 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 conjunction), which is usually the fastest check. Our composite confusion score for this pair is 19920, derived from the frequency rank of both members and their visual similarity.
sanção is recorded at frequency rank #16,876, classified as anoun, pronounced /sɐ̃.ˈsɐ̃w̃/. senão is at rank #3,044, tagged as aconj, pronounced /sɨ.ˈnɐ̃w̃/.
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 19920, this pair ranks #50,703 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sanção vs senão
Shared letters: nosã. Private to "sanção": aç. Private to "senão": e.
"sanção" · 6 letters · shape CVCCVV · "senão" · 5 letters · shape CVCVV
Frequently Asked Questions
Is swapping "sanção" for "senão" ever safe?
In ordinary Portuguese text, does "sanção" or "senão" show up more?
Useful next steps
Eye-level mix-up between "sanção" and "senão" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "sanção" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "senão" - compare definitions side by side with the headword page. Word entry
- This pair ranks #50,703 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "sanção" and "senão" also get mixed up with nearby pairs, the highest-scored neighbour is "sacro vs sanção". Nearby pair
Confusion rank #50,703 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.