bluffing vs jiggery-pokery

bluffing

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

jiggery-pokery

noun
  • Trickery or misrepresentation. 

  • Sexual intercourse. 

  • Manipulation. 

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