protection vs trickery

protection

noun
  • 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. 

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

trickery

noun
  • The art of dressing up; imposture. 

  • Artifice; the use of one or more stratagems. 

  • Deception or underhanded behavior. 

  • An instance of deception, underhanded behavior, dressing up, imposture, artifice, etc. 

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