protection vs treachery

protection

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

  • Coverage. 

  • A means of keeping or remaining safe. 

  • 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. 

treachery

noun
  • The act of violating the confidence of another, usually for personal gain. 

  • An act or instance of treachery. 

  • Treason. 

  • Deliberate, often calculated, disregard for trust or faith. 

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