cannibal vs lout

cannibal

noun
  • An organism which eats others of its own species or kind, especially a human who eats human flesh. 

lout

noun
  • A clownish, awkward fellow; a bumpkin. 

  • A troublemaker, often violent; a rude violent person; a yob. 

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