castellano

noun

"castellano" is a 10-letter English headword indexed on PlainSpell.

The verdict

“castellano” is uncommon English (frequency #66,542 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#66,542
frequency rank, English
5,599
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A traditional Spanish unit of mass, equivalent to about 4.8 g.

Corpus desk

Index EN-castellano · castellano · English

castellano · rank #66,542 · 0 variants · 0 confusables

  • FREQ-RARE #66,542
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH Carnahan

Nearest frequency peer: Carnahan (-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 “castellano”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “castellano” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for castellano
PropertyValue
Headwordcastellano
LanguageEnglish
Part of speechNoun
Letters10
Frequency rank#66,542
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “castellano” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).castellanofalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “Carnahan” (#66,541), “Carcassonne” (#66,540), “Californication” (#66,538). Among 5,599 “C” headwords, “castellano” is #66,542. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

castellano is uncommon English at frequency #66,542 among 5,599 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for castellano, typically a sign the spelling maps closely to how the word sounds. 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: Borrowed from Spanish castellano (“Castilian”), from Medieval Latin Castella (“Castile, Land of Fortresses”) + -ānus (“-an: forming adjectives”), from Latin castrum (“fort”) + -ella (“-elle: forming diminutives”). Doublet of Castilian, castellanus, castella… The correct English form is castellano, spelled C-A-S-T-E-L-L-A-N-O.

Definition

  1. 1
    A traditional Spanish unit of mass, equivalent to about 4.8 g.
  2. 2
    A former Spanish coin, notionally equivalent to a castellano of gold.

Etymology

Borrowed from Spanish castellano (“Castilian”), from Medieval Latin Castella (“Castile, Land of Fortresses”) + -ānus (“-an: forming adjectives”), from Latin castrum (“fort”) + -ella (“-elle: forming diminutives”). Doublet of Castilian, castellanus, castellan, and chatelain.

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

How do you spell "castellano"?
"castellano" is spelled C-A-S-T-E-L-L-A-N-O.
What does "castellano" mean?
As a noun, "castellano" means: A traditional Spanish unit of mass, equivalent to about 4.8 g.
What is the origin of the word "castellano"?
Borrowed from Spanish castellano (“Castilian”), from Medieval Latin Castella (“Castile, Land of Fortresses”) + -ānus (“-an: forming adjectives”), from Latin castrum (“fort”) + -ella (“-elle: forming diminutives”). Doublet of Castilian, castellanus... See the full etymology section above for more details.
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 English words by spelling shape

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

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list