castillas

[kasˈt̪iʝas]

/[kasˈt̪iʝas]/ noun

The verdict

“castillas” is uncommon Spanish (frequency #93,856 among 77,812 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#93,856
frequency rank, Spanish
77,812
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Forma del plural de castilla.

Corpus desk

Index ES-castillas · castillas · Spanish

castillas · rank #93,856 · 0 variants · 0 confusables

  • FREQ-RARE #93,856
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 77,812
  • PHOTO-FINISH catan

Nearest frequency peer: catan (+1 rank slots)

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Frequency neighbourhood for “castillas”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “castillas” sits against the nearest ranked Spanish headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of May 6, 2026
Key facts for castillas
PropertyValue
Headwordcastillas
LanguageSpanish
Part of speechNoun
IPA[kasˈt̪iʝas]
Letters9
Frequency rank#93,856
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “castillas” sits in Spanish frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). castillas lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

castillas is uncommon Spanish at frequency #93,856 among 77,812 “C” headwords, classed as anoun, transcribed [kasˈt̪iʝas]. Rarity is why readers land here mid-draft. Gloss: "Forma del plural de castilla.".

The misspelling generator found no plausible variants for castillas, and the word's spelling is regular enough that our generator found nothing worth flagging. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.

No borrowing history is documented for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct Spanish form is castillas, spelled C-A-S-T-I-L-L-A-S.

Definition

  1. 1
    Forma del plural de castilla.

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "castillas"?
"castillas" is spelled C-A-S-T-I-L-L-A-S. The IPA pronunciation is [kasˈt̪iʝas].
What does "castillas" mean?
As a noun, "castillas" means: Forma del plural de castilla.
How do you pronounce "castillas"?
The IPA (International Phonetic Alphabet) transcription for "castillas" is [kasˈt̪iʝas]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "castillas" come from?
"castillas" is a Spanish word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar Spanish words by spelling shape

Same letter count and similar misspelling depth for "castillas", not the corpus desk frequency band.

Same letter count

Frequency-ranked Spanish headwords with 9 letters (nearest by frequency rank).

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.

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

Source: FrequencyWords open word-frequency list