unterirdisches

[ˈʊntɐˌʔɪʁdɪʃəs]

/[ˈʊntɐˌʔɪʁdɪʃəs]/ adj

The verdict

“unterirdisches” is uncommon German (frequency #84,714 among 30,279 “U” headwords), classed as an adjective. The kind of spelling people second-guess.

#84,714
frequency rank, German
30,279
“U” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Nominativ Singular Neutrum der starken Deklination des Positivs des Adjektivs unterirdisch

Corpus desk

Index DE-unterirdisches · unterirdisches · German

unterirdisches · rank #84,714 · 0 variants · 0 confusables

  • FREQ-RARE #84,714
  • LEN-MEGA 14 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 30,279
  • PHOTO-FINISH Unterhalts

Nearest frequency peer: Unterhalts (-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.

Frequency neighbourhood for “unterirdisches”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “unterirdisches” sits against the nearest ranked German headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of May 6, 2026
Key facts for unterirdisches
PropertyValue
Headwordunterirdisches
LanguageGerman
Part of speechAdjective
IPA[ˈʊntɐˌʔɪʁdɪʃəs]
Letters14
Frequency rank#84,714
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “unterirdisches” 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). unterirdisches 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

unterirdisches is uncommon German at frequency #84,714 among 30,279 “U” headwords, classed as anadjective, transcribed [ˈʊntɐˌʔɪʁdɪʃəs]. Rarity is why readers land here mid-draft. 4 senses are on record.

unterirdisches doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Wiktionary doesn't record an etymology for this headword, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct German form is unterirdisches, spelled U-N-T-E-R-I-R-D-I-S-C-H-E-S.

Definition

  1. 1
    Nominativ Singular Neutrum der starken Deklination des Positivs des Adjektivs unterirdisch
  2. 2
    Akkusativ Singular Neutrum der starken Deklination des Positivs des Adjektivs unterirdisch
  3. 3
    Nominativ Singular Neutrum der gemischten Deklination des Positivs des Adjektivs unterirdisch
  4. 4
    Akkusativ Singular Neutrum der gemischten Deklination des Positivs des Adjektivs unterirdisch

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "unterirdisches"?
"unterirdisches" is spelled U-N-T-E-R-I-R-D-I-S-C-H-E-S. The IPA pronunciation is [ˈʊntɐˌʔɪʁdɪʃəs].
What does "unterirdisches" mean?
As an adjective, "unterirdisches" means: Nominativ Singular Neutrum der starken Deklination des Positivs des Adjektivs unterirdisch
How do you pronounce "unterirdisches"?
The IPA (International Phonetic Alphabet) transcription for "unterirdisches" is [ˈʊntɐˌʔɪʁdɪʃəs]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "unterirdisches" come from?
"unterirdisches" 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.

Similar German words by spelling shape

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

Same letter count

Frequency-ranked German headwords with 14 letters (nearest by frequency 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