Which to use
“cais” and “cio” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #10,845
- “cais” frequency rank
- #22,564
- “cio” frequency rank
- 33409
- confusion score
Side-by-Side Comparison
| Feature | cais | cio |
|---|---|---|
| Definition | lugar à beira-mar, na margem do rio, nas estações de caminho-de-ferro ou do metropolitano apropriado para o embarque e desembarque de pessoas ou mercadorias | período de maior apetite sexual e fertilidade de certos animais |
Where the spellings diverge
Shared letters are muted; the letters that actually set cais and cio apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
cais and cio form a confusable pair in the Portuguese index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 33409, derived from the frequency rank of both members and their visual similarity.
cais is recorded at frequency rank #10,845, classified as anoun, pronounced /ˈkajʃ/. cio is at rank #22,564, tagged as anoun, pronounced /ˈsi.u/.
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 33409, this pair ranks #34,123 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Frequency comparison
Frequently Asked Questions
Can "cais" and "cio" be used interchangeably?
Remembering cais vs cio
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “cais” entry
- Browse more pairs most likely to be confused. Most confusable