Which to use
“cio” and “cisão” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #22,564
- “cio” frequency rank
- #36,806
- “cisão” frequency rank
- 59370
- confusion score
Side-by-Side Comparison
| Feature | cio | cisão |
|---|---|---|
| Definition | período de maior apetite sexual e fertilidade de certos animais | ato de cindir |
Where the eye mixes cio and cisão
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. cio runs 3 letters (CVV) against cisão's 5 (CVCVV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: cio vs cisão
A purely visual mix-up. cio (/ˈsi.u/) and cisão (/si.ˈzɐ̃w̃/) 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 2 letter(s) in length. Our composite confusion score for this pair is 59370, derived from the frequency rank of both members and their visual similarity.
cio is recorded at frequency rank #22,564, classified as anoun, pronounced /ˈsi.u/. cisão is at rank #36,806, tagged as anoun, pronounced /si.ˈzɐ̃w̃/.
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 59370, this pair ranks #8,216 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of cio vs cisão
Shared letters: cio. Private to "cio": -. Private to "cisão": sã.
"cio" · 3 letters · shape CVV · "cisão" · 5 letters · shape CVCVV
Frequently Asked Questions
Do "cio" and "cisão" mean the same thing in a sentence?
Which is more common, "cio" or "cisão"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "cio" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cisão" - compare definitions side by side with the headword page. Word entry
- This pair ranks #8,216 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "cio" and "cisão" also get mixed up with nearby pairs, the highest-scored neighbour is "ciao vs cisão". Nearby pair
Confusion rank #8,216 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.