Castro
[ˈkast̪ɾo]
The verdict
“Castro” is a regularly-used Spanish word, ranked #2,151 in Spanish word frequency and used as a proper noun.
- #2,151
- frequency rank, Spanish
- 6
- letters
- 8
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Apellido.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | Castro |
| Language | Spanish |
| Part of speech | Proper noun |
| IPA | [ˈkast̪ɾo] |
| Letters | 6 |
| Frequency rank | #2,151 |
| Misspellings tracked | 8 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “Castro” sits in Spanish frequency
Spelling & Dictionary Insight
The Spanish entry for Castro is 6 letters long, classified as a proper noun, and transcribed in the International Phonetic Alphabet as [ˈkast̪ɾo]. Corpus data places it at rank #2,151 in overall Spanish word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 8 likely wrong-spelling variants for Castro, with forms such as "acstro", "casrto", and "casstro". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 20 confusable-pair relationships, "Cato", "costo", "cetro", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
No documented word history exists for this headword, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct Spanish form is Castro, spelled C-A-S-T-R-O.
Definition
- 1Apellido.
- 2Ciudad chilena, ubicada en la isla de Chiloé.
Common misspellings
Also misspelled as: acstro,casrto,casstro,castrro,casttro,catsro,ccastro,csatro
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of Castro - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “Castro”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Spanish spelling is C-A-S-T-R-O - every other letter order is a misspelling in standard orthography.
- Say it as [ˈkast̪ɾo] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “Cato” - see the side-by-side comparison. Castro vs Cato
- Browse more Spanish words and confusable pairs in the same reference. Spanish words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.