cantãovscastroWhat's the difference?

Quick tell: cantão is a noun, castro is a verb, so they fill different roles in a sentence.

Which to use

“cantão” is a noun and “castro” is a verb - they look or sound alike but fill different roles in a sentence.

#29,259
“cantão” frequency rank
#2,264
“castro” frequency rank
31523
confusion score

Side-by-Side Comparison

Feature cantão castro
Definition região administrativa cortar

Letter map: cantão vs castro

Shared letters muted; letters that set cantão and castro apart highlighted. Shared run: 4. cantão (CVCCVV) and castro (CVCCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
cantão
6 ch
castro

Grammar separator: cantão vs castro

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cantão is anoun and castroaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 31523, derived from the frequency rank of both members and their visual similarity.

cantão is recorded at frequency rank #29,259, classified as anoun. castro is at rank #2,264, tagged as averb, pronounced /ˈkas.troː/.

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 31523, this pair ranks #36,513 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cantão vs castro

Shared letters: acot. Private to "cantão": nã. Private to "castro": rs.

"cantão" · 6 letters · shape CVCCVV  ·  "castro" · 6 letters · shape CVCCCV

Known mistypes of this pair

  • castro ← acstro · casrto · casstro · castrro · casttro · catsro · ccastro · csatro

Frequently Asked Questions

Do "cantão" and "castro" mean the same thing in a sentence?
No - they are not even the same part of speech. "cantão" is a noun and "castro" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cantão" or "castro"?
"castro" is the more common of the two: it sits at frequency rank #2,264 in our Portuguese list, against #29,259 for "cantão". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "cantão" and "castro". Here's where to go from here.

  • Full dictionary entry for "cantão" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "castro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #36,513 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "cantão" and "castro" also get mixed up with nearby pairs, the highest-scored neighbour is "cânhamo vs cantão". 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 #36,513 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