aggression vs defense

aggression

noun
  • Hostile or destructive behavior or actions. 

  • The practice or habit of launching attacks. 

  • The act of initiating hostilities or invasion. 

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 aggression and defense occurred in a corpus of books? (source: Google Ngram Viewer )