mammal vs monstrosity

mammal

noun
  • A vertebrate with three bones in the inner ear and one in the jaw. 

  • An animal of the class Mammalia, characterized by being warm-blooded, having hair and producing milk with which to feed its young. 

monstrosity

noun
  • An organism showing abnormal development or deformity. 

  • The state of being monstrous. 

  • A monstrous person, thing, or act. 

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