      "Dermatologische": "dermatologisch",
      "Dermatologischen": "Dermatologische",
      "Derricks": "Derrick",
      "Derzeitigen": "Derzeitige",
      "Desastern": "Desaster",
      "Desasters": "Desaster",
      "Des": "der",
      "Desertierenden": "Desertierende",
      "Desertierens": "Desertieren",
 
</s>
    "Derselbe": "derselbe",
    "Derselben": "derselbe",
    "Derweil": "derweil",
      "Dermatologische": "dermatologisch",
      "Dermatologischen": "Dermatologische",
      "Derricks": "Derrick",
    "Derselbe": "derselbe",
    "Derselben": "derselbe",
    "Derweil": "derweil",
      "Derzeitigen": "Derzeitige",
      "Desastern": "Desaster",
      "Desasters": "Desaster",
      "Des": "der",
      "Desertierenden": "Desertierende",
      "Desertierens": "Desertieren",
keep keep add keep keep keep keep keep keep
 German lemmatizer additions (#2529)

* lemma of was-> was

* added new pairs issue @2486

* added article tests
spacy/lang/de/lemmatizer.py