genuine vs spurious

genuine

adj
  • Not counterfeit, spurious, false, or adulterated 

  • Belonging to, or proceeding from the original stock; native 

spurious

adj
  • False, not authentic, not genuine. 

  • Extraneous; stray; not relevant or wanted. 

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