fraud vs probity

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. 

probity

noun
  • Integrity, especially of the quality of having strong moral principles; decency and honesty. 

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