cannibal vs creature

cannibal

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

creature

noun
  • An unidentified, mysterious, and often monstrous animal or being. 

  • A living being; an animal. 

  • A being subservient to or dependent upon another. 

  • A human. 

  • A created thing, whether animate or inanimate; a creation. 

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