Which to use
“cais” and “coiso” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #10,845
- “cais” frequency rank
- #30,884
- “coiso” frequency rank
- 41729
- confusion score
Side-by-Side Comparison
| Feature | cais | coiso |
|---|---|---|
| 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 | uma pessoa qualquer |
Letter map: cais vs coiso
Shared letters muted; letters that set cais and coiso apart highlighted. Shared run: 3. cais runs 4 letters (CVVC) against coiso's 5 (CVVCV) - the length gap alone is often enough to separate them once you know to check it.
Spelling & dictionary notes on cais vs coiso
cais and coiso are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 41729, 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/. coiso is at rank #30,884, tagged as anoun.
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 41729, this pair ranks #24,148 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cais vs coiso
Shared letters: cis. Private to "cais": a. Private to "coiso": o.
"cais" · 4 letters · shape CVVC · "coiso" · 5 letters · shape CVVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "cais" for "coiso" ever safe?
In ordinary Portuguese text, does "cais" or "coiso" show up more?
Useful next steps
Pair "cais" vs "coiso" is on the table, pick a follow-up below.
- Full dictionary entry for "cais" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "coiso" - compare definitions side by side with the headword page. Word entry
- This pair ranks #24,148 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "cais" and "coiso" also get mixed up with nearby pairs, the highest-scored neighbour is "ciao vs coiso". 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 #24,148 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.