castrum
The verdict
“castrum” is uncommon French (frequency #54,460 among 8,609 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #54,460
- frequency rank, French
- 8,609
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Forteresse, place forte, château-fort.
Corpus desk
Index FR-castrum · castrum · French
castrum · rank #54,460 · 0 variants · 0 confusables
- FREQ-RARE #54,460
- LEN-LONG 7 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 8,609
- PHOTO-FINISH Castellet
Nearest frequency peer: Castellet (-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.
Rangs de longue queue près de « castrum »
Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court
- carmin
carmin
45,545 corpus weight
- carta
carta
45,544 corpus weight
- Castellet
Castellet
45,542 corpus weight
- castrum
castrum
45,541 corpus weight
- cavalcade
cavalcade
45,540 corpus weight
- CDA
CDA
45,538 corpus weight
What this shows Vue de longue queue: où « castrum » se situe face à des rangs français aussi rares.
| Property | Value |
|---|---|
| Headword | castrum |
| Language | French |
| Part of speech | Noun |
| Letters | 7 |
| Frequency rank | #54,460 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Longue queue: rang de « castrum » en français
Rare enough to double-check
castrum is uncommon French at frequency #54,460 among 8,609 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.
The misspelling generator found no plausible variants for castrum, since its letter pattern doesn't lend itself to common typo substitutions. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
This headword's origin isn't recorded in our source data, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is castrum, spelled C-A-S-T-R-U-M.
Definition
- 1Forteresse, place forte, château-fort.
- 2Camp, campement. D’où étape (camp sur une route militaire).
- 3Vie dans les camps, service militaire.
Recorded use
Wiktionary examplesThese source excerpts show how castrum appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
ei Grunium dederat in Phrygiā castrum…
castra stativa
Synonyms
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 French corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Similar French words by spelling shape
Same letter count and similar misspelling depth for "castrum", not the corpus desk frequency band.
Same letter count
Frequency-ranked French headwords with 7 letters (nearest by frequency rank).