asylum vs defense

asylum

noun
  • A place of safety or refuge. 

  • The protection, physical and legal, afforded by such a place (as, for example, for political refugees). 

defense

noun
  • The action of defending or protecting from attack, danger, or injury. 

  • Government policy or (infra)structure related to the military. 

  • A strategy and tactics employed to prevent the other team from scoring; contrasted with offense. 

  • The case presented by the defendant in a legal proceeding. 

  • The lawyer or team thereof who presents such a case. 

  • The portion of a team dedicated to preventing the other team from scoring; contrasted with offense. 

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