Which to use
“unterirdische” and “unterirdischen” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #22,939
- “unterirdische” frequency rank
- #17,165
- “unterirdischen” frequency rank
- 40104
- confusion score
Side-by-Side Comparison
| Feature | unterirdische | unterirdischen |
|---|---|---|
| Definition | Nominativ Singular Femininum der starken Deklination des Positivs des Adjektivs unterirdisch | Genitiv Singular Maskulinum der starken Deklination des Positivs des Adjektivs unterirdisch |
Where the eye mixes unterirdische and unterirdischen
Muted = shared; highlighted = the visual trap. They share 13 letters in sequence. unterirdische runs 13 letters (VCCVCVCCVCCCV) against unterirdischen's 14 (VCCVCVCCVCCCVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses unterirdische with unterirdischen
A purely visual mix-up. unterirdische ([ˈʊntɐˌʔɪʁdɪʃə]) and unterirdischen ([ˈʊntɐˌʔɪʁdɪʃn̩]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “unterirdische” sits inside “unterirdischen”. Our composite confusion score for this pair is 40104, derived from the frequency rank of both members and their visual similarity.
unterirdische is recorded at frequency rank #22,939, classified as anadj, pronounced [ˈʊntɐˌʔɪʁdɪʃə]. unterirdischen is at rank #17,165, tagged as anadj, pronounced [ˈʊntɐˌʔɪʁdɪʃn̩].
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 40104, this pair ranks #1,517,962 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of unterirdische vs unterirdischen
Shared letters: cdehinrstu. Private to "unterirdische": -. Private to "unterirdischen": -.
"unterirdische" · 13 letters · shape VCCVCVCCVCCCV · "unterirdischen" · 14 letters · shape VCCVCVCCVCCCVC
Known mistypes of this pair
- unterirdische ← nuterirdische · unetrirdische · unnterirdische · unteirrdische · unteridrische · unterirddische · unterirdicshe · unterirdiscche
- unterirdischen ← nuterirdischen · unetrirdischen · unnterirdischen · unteirrdischen · unteridrischen · unterirddischen · unterirdicshen · unterirdiscchen
Frequently Asked Questions
Is swapping "unterirdische" for "unterirdischen" ever safe?
Frequency check: "unterirdische" vs "unterirdischen" - which ranks higher?
Useful next steps
Eye-level mix-up between "unterirdische" and "unterirdischen" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "unterirdische" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "unterirdischen" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,517,962 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "unterirdische" and "unterirdischen" also get mixed up with nearby pairs, the highest-scored neighbour is "unterirdisch vs unterirdische". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #1,517,962 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.