Untergrundbahn

[ˈʊntɐɡʁʊntˌbaːn]

/[ˈʊntɐɡʁʊntˌbaːn]/ noun

The verdict

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

Unranked
below top-frequency German
14
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - unterirdische Eisenbahnstrecke als Tunnelsystem

Key facts for Untergrundbahn
PropertyValue
HeadwordUntergrundbahn
LanguageGerman
Part of speechNoun
IPA[ˈʊntɐɡʁʊntˌbaːn]
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Untergrundbahn” sits in German frequency

Untergrundbahn falls outside the top-100,000 ranked German words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

Untergrundbahn is uncommon German outside the top frequency list, classed as anoun, transcribed [ˈʊntɐɡʁʊntˌbaːn]. Rarity is why readers land here mid-draft. 3 senses are on record.

No generated misspelling entries exist for Untergrundbahn in our index, suggesting the orthography follows predictable German patterns. No close-neighbour confusable shows up for this headword in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

This headword's origin isn't recorded in our source data, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct German form is Untergrundbahn, spelled U-N-T-E-R-G-R-U-N-D-B-A-H-N.

Definition

  1. 1
    unterirdische Eisenbahnstrecke als Tunnelsystem
  2. 2
    Verkehrslinie auf den Schienen, dem Schienennetz einer Untergrundbahn^([1])
  3. 3
    Fahrzeug (Verkehrsmittel) der Verkehrslinie Untergrundbahn^([2]); Untergrundbahnwagen, Untergrundbahnzug

Synonyms

U-Bahntunnel

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Untergrundbahn"?
"Untergrundbahn" is spelled U-N-T-E-R-G-R-U-N-D-B-A-H-N. The IPA pronunciation is [ˈʊntɐɡʁʊntˌbaːn].
What does "Untergrundbahn" mean?
As a noun, "Untergrundbahn" means: unterirdische Eisenbahnstrecke als Tunnelsystem
How do you pronounce "Untergrundbahn"?
The IPA (International Phonetic Alphabet) transcription for "Untergrundbahn" is [ˈʊntɐɡʁʊntˌbaːn]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Untergrundbahn" come from?
"Untergrundbahn" is a German 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.

Using “Untergrundbahn”

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

  • The one correct German spelling is U-N-T-E-R-G-R-U-N-D-B-A-H-N - every other letter order is a misspelling in standard orthography.
  • Say it as [ˈʊntɐɡʁʊntˌbaːn] (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
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