dodgy vs nonauthentic

dodgy

adj

  • dishonest 

  • evasive and shifty 

  • risky 

  • uncomfortable and weird 

  • deviant 

  • unsound and unreliable 

nonauthentic

adj

  • Not authentic. 

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