defence vs protection

defence

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

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

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

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

  • Something used to oppose attacks. 

  • An argument in support or justification of something. 

protection

noun
  • A means of keeping or remaining safe. 

  • Coverage. 

  • The process of keeping (something or someone) safe. 

  • The state of being safe. 

  • An instance of a security token associated with a resource (such as a file). 

  • Restrictions on foreign competitors which limit their ability to compete with domestic producers of goods or services. 

  • A means, such as a condom, of preventing pregnancy or sexually transmitted disease. 

  • Immunity from harm, obtained by illegal payments, as bribery or extortion. 

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