Which to use
“castro” is a verb and “cisto” is a noun - they look or sound alike but fill different roles in a sentence.
- #2,264
- “castro” frequency rank
- #39,054
- “cisto” frequency rank
- 41318
- confusion score
Side-by-Side Comparison
| Feature | castro | cisto |
|---|---|---|
| Definition | cortar | saco fechado que tem uma membrana e divisão distintas do tecido circundante |
Letter map: castro vs cisto
Shared letters muted; letters that set castro and cisto apart highlighted. Shared run: 4. castro runs 6 letters (CVCCCV) against cisto's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.
Part-of-speech tell for castro / cisto
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: castro is averb and cistoanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 41318, derived from the frequency rank of both members and their visual similarity.
castro is recorded at frequency rank #2,264, classified as averb, pronounced /ˈkas.troː/. cisto is at rank #39,054, 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 41318, this pair ranks #24,618 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of castro vs cisto
Shared letters: cost. Private to "castro": ar. Private to "cisto": i.
"castro" · 6 letters · shape CVCCCV · "cisto" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "castro" for "cisto" ever safe?
Which is more common, "castro" or "cisto"?
What to do next
Done with this confusable. These links stay specific to "castro" and "cisto".
- Full dictionary entry for "castro" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cisto" - compare definitions side by side with the headword page. Word entry
- This pair ranks #24,618 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "castro" and "cisto" also get mixed up with nearby pairs, the highest-scored neighbour is "ciao vs cisto". 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 #24,618 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.