castradovsCastroTell them apart

Quick tell: castrado is a noun, Castro is a name, so they fill different roles in a sentence.

Which to use

“castrado” is a noun and “Castro” is a name - they look or sound alike but fill different roles in a sentence.

#46,403
“castrado” frequency rank
#2,151
“Castro” frequency rank
48554
confusion score

Side-by-Side Comparison

Feature castrado Castro
Definition El cantor, soprano o contralto, privado desde su infancia de los órganos genitales con el fin de conservar la voz aguda del niño, puesto que la voz se conserva en el mismo estado en que se halla al practicar la operación; se tiene por inventora de esta cruel costumbre á la reina Semíramis. Apellido.

Where the eye mixes castrado and Castro

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. castrado runs 8 letters (CVCCCVCV) against Castro's 6 (CVCCCV) - the length gap alone is often enough to separate them once you know to check it.

8 ch
castrado
6 ch
Castro

Look-alike desk: castrado vs Castro

These two trip readers on the page rather than in the ear: castrado is [kasˈt̪ɾað̞o] while Castro is [ˈkast̪ɾo]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 48554, derived from the frequency rank of both members and their visual similarity.

castrado is recorded at frequency rank #46,403, classified as anoun, pronounced [kasˈt̪ɾað̞o]. Castro is at rank #2,151, tagged as aname, pronounced [ˈkast̪ɾo].

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 48554, this pair ranks #113,837 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of castrado vs Castro

Shared letters: acorst. Private to "castrado": d. Private to "Castro": -.

"castrado" · 8 letters · shape CVCCCVCV  ·  "Castro" · 6 letters · shape CVCCCV

Known mistypes of this pair

  • castradoacstrado · casrtado · casstrado · castardo · castraddo · castraod · castrdao · castrrado
  • Castroacstro · casrto · casstro · castrro · casttro · catsro · ccastro · csatro

Frequently Asked Questions

Can "castrado" and "Castro" be used interchangeably?
No - they are not even the same part of speech. "castrado" is a noun and "Castro" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "castrado" vs "Castro" - which ranks higher?
"Castro" is the more common of the two: it sits at frequency rank #2,151 in our Spanish list, against #46,403 for "castrado". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "castrado" and "Castro" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "castrado" 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 #113,837 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "castrado" and "Castro" also get mixed up with nearby pairs, the highest-scored neighbour is "captado vs castrado". 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 #113,837 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list