bluffing vs knavery

bluffing

noun
  • A bluff; a false expression of the strength of one's position in order to intimidate. 

knavery

noun
  • An unprincipled action; deceit. 

  • The antics or tricks of a knave; boyish mischief. 

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