Mercurius

name

The verdict

“Mercurius” is uncommon German (outside the top frequency list), classed as a proper noun. The kind of spelling people second-guess.

Unranked
below top-frequency German
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Merkur

Corpus desk

Index DE-mercurius · Mercurius · German

Mercurius · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "M" thin
  • PHOTO-UNK Peer pending

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.

Key facts for Mercurius
PropertyValue
HeadwordMercurius
LanguageGerman
Part of speechProper noun
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Langschwanz-Rang von „Mercurius“ im Deutschen

Mercuriusliegt außerhalb der 100.000 häufigsten deutschen Wörter, im Langschwanz technischer, archaischer oder seltener Formen, genau dort, wo Schreibzweifeln zuschlagen.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Mercurius is uncommon German outside the top frequency list, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "Merkur".

The misspelling generator found no plausible variants for Mercurius, typically a sign the spelling maps closely to how the word sounds. No close-neighbour confusable shows up for this headword in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

This entry carries no recorded etymology, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct German form is Mercurius, spelled M-E-R-C-U-R-I-U-S.

Definition

  1. 1
    Merkur

Recorded use

Wiktionary example

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

  1. „Mercurius cumque eo filius Latonas“ (Andr. poet. 19)

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Mercurius"?
"Mercurius" is spelled M-E-R-C-U-R-I-U-S.
What does "Mercurius" mean?
As a proper noun, "Mercurius" means: Merkur
What language does "Mercurius" come from?
"Mercurius" is a German word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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.

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

Source: FrequencyWords open word-frequency list