jacobus

\ʒa.kɔ.bys\

/\ʒa.kɔ.bys\/ noun

The verdict

“jacobus” is uncommon French (frequency #85,836 among 957 “J” headwords), classed as a noun. The kind of spelling people second-guess.

#85,836
frequency rank, French
957
“J” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Ancienne monnaie d’or d’Angleterre, frappée sous Jacques Ier d'Angleterre et valant environ une guinée.

Corpus desk

Index FR-jacobus · jacobus · French

jacobus · rank #85,836 · 0 variants · 0 confusables

  • FREQ-RARE #85,836
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 957
  • PHOTO-FINISH jacking

Nearest frequency peer: jacking (-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 « jacobus »

Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court

corpus weight

What this shows Vue de longue queue: où « jacobus » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for jacobus
PropertyValue
Headwordjacobus
LanguageFrench
Part of speechNoun
IPA\ʒa.kɔ.bys\
Letters7
Frequency rank#85,836
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « jacobus » en français

La fréquence va de la poignée de mots du quotidien (gauche) à la longue queue presque jamais vue (droite).jacobustombe dans cette queue de rareté:

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

Les tics avancent en logarithme; chacun est de l'ordre de dix fois plus rare. Voisins rares de la même bande: « jacking » (#85,835), « itu » (#85,834), « JDC » (#85,838). Parmi 957 lemmes en « J », « jacobus » est au #85,836. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

jacobus is uncommon French at frequency #85,836 among 957 “J” headwords, classed as anoun, transcribed \ʒa.kɔ.bys\. Rarity is why readers land here mid-draft. Gloss: "Ancienne monnaie d’or d’Angleterre, frappée sous Jacques Ier d'Angleterre et valant environ une guinée.".

Zero misspellings are on record for jacobus in our index, which points to an orthography that plays by predictable French rules. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.

No documented word history exists for this headword, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is jacobus, spelled J-A-C-O-B-U-S.

Definition

  1. 1
    Ancienne monnaie d’or d’Angleterre, frappée sous Jacques Ier d'Angleterre et valant environ une guinée.

Recorded use

Wiktionary example

These source excerpts show how jacobus appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Pendant qu’ils parlaient ainsi tout bas, un chanoine très vieux faisait la quête et présentait un grand plat de cuivre aux assistants qui y laissaient tomber tour à tour d’anciennes monnaies qui n’ont plus cours depuis longtemps : écus de six livres, florins, ducats et ducatons, jacobus, nobles à la rose, et les pièces tombaient en silence.

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

How do you spell "jacobus"?
"jacobus" is spelled J-A-C-O-B-U-S. The IPA pronunciation is \ʒa.kɔ.bys\.
What does "jacobus" mean?
As a noun, "jacobus" means: Ancienne monnaie d’or d’Angleterre, frappée sous Jacques Ier d'Angleterre et valant environ une guinée.
How do you pronounce "jacobus"?
The IPA (International Phonetic Alphabet) transcription for "jacobus" is \ʒa.kɔ.bys\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "jacobus" come from?
"jacobus" is a French 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 French words by spelling shape

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

Same letter count

Frequency-ranked French headwords with 7 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list