dog meat vs knackwurst

dog meat

noun
  • Meat prepared to be given to a dog as food. 

  • Meat from a dog eaten as food. 

  • Synonym of dead meat (“someone in danger of being killed or severely punished”) 

knackwurst

noun
  • A highly seasoned scalded sausage made from beef, pork, and fatty tissue similar to a frankfurter, but shorter and thicker. 

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