fallacious vs spurious

fallacious

adj
  • Deceptive or misleading. 

  • Characterized by fallacy; false or mistaken. 

spurious

adj
  • False, not authentic, not genuine. 

  • Extraneous; stray; not relevant or wanted. 

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