beast vs mammal

beast

noun
  • A domestic animal, especially a bovine farm animal. 

  • Someone who is particularly impressive, especially athletically or physically. 

  • A monstrously unusual and dangerous animal. 

  • Any animal other than a human; usually only applied to land vertebrates, especially large or dangerous four-footed ones. 

  • Anything regarded as larger or more powerful than one of its normal size or strength. 

  • A person who behaves in a violent, antisocial or uncivilized manner. 

  • A sex offender. 

  • Something unpleasant and difficult. 

  • A thing or matter, especially a difficult or unruly one. 

verb
  • to engage in sexual intercourse, particularly in an illicit context 

  • to impose arduous exercises, either as training or as punishment. 

adj
  • great; excellent; powerful 

mammal

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

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

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