fraud vs price gouging

fraud

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

  • 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. 

price gouging

noun
  • The act of or an instance of charging services or pricing goods at unreasonably high prices. 

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