butterbrot vs hamburger

butterbrot

noun
  • A German open sandwich. 

hamburger

noun
  • The patty used in such a sandwich. 

  • An animal or human, or the flesh thereof, that has been badly injured as a result of an accident or conflict. 

  • A hot sandwich consisting of a patty of cooked ground beef or a meat substitute, in a sliced bun, sometimes also containing salad vegetables, condiments, or both. 

  • Ground beef, especially that intended to be made into hamburgers. 

verb
  • To badly injure or damage. 

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