Berliner vs bismarck

Berliner

noun
  • A doughnut (donut) with a sweet filling. 

  • A native or inhabitant of Berlin. 

  • A newspaper format with pages normally measuring about 315 by 470 millimetres (12.4 in × 18.5 inches), slightly taller and wider than a tabloid but narrower and shorter than a broadsheet. 

bismarck

noun
  • A jelly doughnut: a doughnut filled with jam and coated with sugar. 

  • A doughnut filled with cream, often with chocolate icing. 

  • A fried cruller, or a sort of pancake. 

How often have the words Berliner and bismarck occurred in a corpus of books? (source: Google Ngram Viewer )