muscle vs virility

muscle

noun
  • Strength, force. 

  • A contractile form of tissue which animals use to effect movement. 

  • Hired strongmen or bodyguards. 

  • An organ composed of muscle tissue. 

  • A well-developed physique, in which the muscles are enlarged from exercise. 

verb
  • To use force to make progress, especially physical force. 

virility

noun
  • Manly character, quality, or nature. 

  • The ability of a man to procreate. 

  • The state of being virile. 

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