Castilian
/kəˈstɪljən/
"castilian" is a 9-letter English headword indexed on PlainSpell.
The verdict
“Castilian” is uncommon English (frequency #57,926 among 5,599 “C” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #57,926
- frequency rank, English
- 5,599
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The Castilian dialect of Spanish, often (especially historically) considered the prestige dialect of Spanish.
Corpus desk
Index EN-castilian · Castilian · English
Castilian · rank #57,926 · 0 variants · 0 confusables
- FREQ-RARE #57,926
- LEN-LONG 9 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 5,599
- PHOTO-FINISH castello
Nearest frequency peer: castello (-1 rank slots)
Read with this headword: Spelling guide for this pattern
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.
Long-tail ranks near “Castilian”
Sparse band: bars invert rank so rarer forms read shorter
- Cardin
Cardin
42,079 corpus weight
- carting
carting
42,077 corpus weight
- castello
castello
42,076 corpus weight
- Castilian
Castilian
42,075 corpus weight
- catastrophi…
catastrophically
42,074 corpus weight
- Catriona
Catriona
42,073 corpus weight
What this shows Long-tail view: where “Castilian” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | Castilian |
| Language | English |
| Part of speech | Proper noun |
| IPA | /kəˈstɪljən/ |
| Letters | 9 |
| Frequency rank | #57,926 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “Castilian” in English
Rare enough to double-check
Castilian is uncommon English at frequency #57,926 among 5,599 “C” headwords, classed as aproper noun, transcribed /kəˈstɪljən/. Rarity is why readers land here mid-draft. 2 senses are on record.
The misspelling generator found no plausible variants for Castilian, and the word's spelling is regular enough that our generator found nothing worth flagging. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From Castile + -ian as a calque of Spanish castellano (“Of or related to Castile, Spain, or the Spanish language”). Doublet of castellano, castellanus, castellan, and chatelain. The correct English form is Castilian, spelled C-A-S-T-I-L-I-A-N.
Definition
- 1The Castilian dialect of Spanish, often (especially historically) considered the prestige dialect of Spanish.
- 2Synonym of Spanish, the language of Spain and its former colonies.
Etymology
From Castile + -ian as a calque of Spanish castellano (“Of or related to Castile, Spain, or the Spanish language”). Doublet of castellano, castellanus, castellan, and chatelain.
This word in other languages
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 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "Castilian", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).