query: SELECT ?item ?itemLabel ?lemma
  where
  {
    ?item wdt:P17 wd:Q40.
    ?item wdt:P31 wd:Q13406463.
    ?sitelink schema:about ?item .
      ?article schema:about ?item .
      ?article schema:name ?lemma.
      ?article schema:isPartOf <https://de.wikipedia.org/> . #Targeting Wikipedia language where subjects has no article.
        ?item rdfs:label ?itemLiteral .
        FILTER(LANG(?itemLiteral) = 'de') .
    Filter (?lemma != ?itemLiteral)
    SERVICE wikibase:label { bd:serviceParam wikibase:language 'de' }
  }
  
  GROUP BY ?item ?itemLabel ?lemma
  