fraud vs trickery

fraud

noun
  • Any act of deception carried out for the purpose of unfair, undeserved and/or unlawful gain. 

  • The assumption of a false identity to such deceptive end. 

  • A person who performs any such trick. 

  • The crime of stealing or otherwise illegally obtaining money by use of deception tactics. 

trickery

noun
  • Deception or underhanded behavior. 

  • The art of dressing up; imposture. 

  • Artifice; the use of one or more stratagems. 

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

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