caisvscanTell them apart

Which to use

“cais” and “can” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#10,845
“cais” frequency rank
#4,535
“can” frequency rank
15380
confusion score

Side-by-Side Comparison

Feature cais can
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 cão

Where the eye mixes cais and can

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
cais
3 ch
can

Look-alike desk: cais vs can

A purely visual mix-up. cais (/ˈkajʃ/) and can (/kaŋ/) 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 1 letter(s) in length. Our composite confusion score for this pair is 15380, 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/. can is at rank #4,535, tagged as anoun, pronounced /kaŋ/.

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 15380, this pair ranks #56,445 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cais vs can

Shared letters: ac. Private to "cais": is. Private to "can": n.

"cais" · 4 letters · shape CVVC  ·  "can" · 3 letters · shape CVC

Known mistypes of this pair

  • caisacis · caiss · casi · ccais · cias

Frequently Asked Questions

Do "cais" and "can" mean the same thing in a sentence?
No. They are said differently (/ˈkajʃ/ versus /kaŋ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "cais" or "can" show up more?
"can" is the more common of the two: it sits at frequency rank #4,535 in our Portuguese list, against #10,845 for "cais". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "cais" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "can" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #56,445 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "cais" and "can" also get mixed up with nearby pairs, the highest-scored neighbour is "can vs chau". 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 #56,445 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list