Which to use
“cio” is a noun and “cujo” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #22,564
- “cio” frequency rank
- #1,638
- “cujo” frequency rank
- 24202
- confusion score
Side-by-Side Comparison
| Feature | cio | cujo |
|---|---|---|
| Definition | período de maior apetite sexual e fertilidade de certos animais | relaciona dois substantivos, um antecedente e outro consequente, sendo este último possuidor de algo (qualidade, condição, sentimento, ser etc.) designado pelo primeiro; equivale a de que, de quem, do/da qual, dos/das quais |
Letter map: cio vs cujo
Shared letters muted; letters that set cio and cujo apart highlighted. Shared run: 2.
Role in the sentence - cio and cujo
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cio is anoun and cujoapronoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 24202, 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/. cujo is at rank #1,638, tagged as apron.
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 24202, this pair ranks #45,465 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cio vs cujo
Shared letters: co. Private to "cio": i. Private to "cujo": ju.
"cio" · 3 letters · shape CVV · "cujo" · 4 letters · shape CVCV
Known mistypes of this pair
- cujo ← ccujo · cjuo · cujjo · cuoj · ucjo
Frequently Asked Questions
Is swapping "cio" for "cujo" ever safe?
In ordinary Portuguese text, does "cio" or "cujo" show up more?
Useful next steps
You've compared "cio" and "cujo". Here's where to go from here.
- Full dictionary entry for "cio" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cujo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #45,465 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "cio" and "cujo" also get mixed up with nearby pairs, the highest-scored neighbour is "ciao vs cio". 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 #45,465 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.