authentic vs fraudulent

authentic

adj
  • Conforming to reality and therefore worthy of trust, reliance, or belief. 

  • Of the same origin as claimed; genuine. 

  • Having the final as the lowest note of the mode. 

fraudulent

adj
  • False, phony. 

  • Dishonest; based on fraud or deception. 

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