Glühwürmchen

[ˈɡlyːˌvʏʁmçən]

/[ˈɡlyːˌvʏʁmçən]/ noun

The verdict

“Glühwürmchen” is uncommon German (frequency #65,295 among 54,401 “G” headwords), classed as a noun. The kind of spelling people second-guess.

#65,295
frequency rank, German
54,401
“G” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - (in zahlreichen Arten vor allem in wärmeren Weltregionen vorkommender) Käfer, der durch Oxidation von Luciferin kaltes Licht in seinen Leuchtorganen erzeugen kann, die sich auf der Bauchseite des H...

Key facts for Glühwürmchen
PropertyValue
HeadwordGlühwürmchen
LanguageGerman
Part of speechNoun
IPA[ˈɡlyːˌvʏʁmçən]
Letters12
Frequency rank#65,295
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Glühwürmchen” sits in German frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). Glühwürmchen lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Glühwürmchen is uncommon German at frequency #65,295 among 54,401 “G” headwords, classed as anoun, transcribed [ˈɡlyːˌvʏʁmçən]. Rarity is why readers land here mid-draft. Gloss: "(in zahlreichen Arten vor allem in wärmeren Weltregionen vorkommender) Käfer, der durch Oxidation von Luciferin kaltes Licht in seinen Leuchtorganen erzeugen kann, die sich auf der Bauchseite des H...".

We couldn't generate a plausible misspelling set for Glühwürmchen, and the word's spelling is regular enough that our generator found nothing worth flagging. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

This entry's etymology isn't recorded, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct German form is Glühwürmchen, spelled G-L-Ü-H-W-Ü-R-M-C-H-E-N.

Definition

  1. 1
    (in zahlreichen Arten vor allem in wärmeren Weltregionen vorkommender) Käfer, der durch Oxidation von Luciferin kaltes Licht in seinen Leuchtorganen erzeugen kann, die sich auf der Bauchseite des Hinterleibs befinden und innerartlich der gegenseitigen Kommunikation dienen (Lampyridae)

Synonyms

LeuchtkäferGlimmraupeGlimmwurmbundesdeutschGlühfünkelGlühkäferGlühwurmJohannisfünkchenJohanniskäferJohannisvögelchenJohanniswürmchenZündkäferZündwürmleinSonnwendkäferFeuerkäferGehansfünkchenHansfünkchenGehansfunkeHansfunkeGehansfünkelHansfünkelLichterkäferLichtkäferLichttierchenWeihnachtslichtchenFeuervogelFeuerwurmLeuchtwurm

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 German corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Glühwürmchen"?
"Glühwürmchen" is spelled G-L-Ü-H-W-Ü-R-M-C-H-E-N. The IPA pronunciation is [ˈɡlyːˌvʏʁmçən].
What does "Glühwürmchen" mean?
As a noun, "Glühwürmchen" means: (in zahlreichen Arten vor allem in wärmeren Weltregionen vorkommender) Käfer, der durch Oxidation von Luciferin kaltes Licht in seinen Leuchtorganen erzeugen kann, die sich auf der Bauchseite des H...
How do you pronounce "Glühwürmchen"?
The IPA (International Phonetic Alphabet) transcription for "Glühwürmchen" is [ˈɡlyːˌvʏʁmçən]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Glühwürmchen" come from?
"Glühwürmchen" 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.

Using “Glühwürmchen”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct German spelling is G-L-Ü-H-W-Ü-R-M-C-H-E-N - every other letter order is a misspelling in standard orthography.
  • Say it as [ˈɡlyːˌvʏʁmçən] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more German words and confusable pairs in the same reference. German words

Other uncommon German words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list