nonpositive vs tinhorn

nonpositive

adj
  • Not positive; either zero or negative. 

  • Not positive. 

noun
  • Any value that is not positive. 

tinhorn

adj
  • Cheap, inferior; pretentious. 

noun
  • A contemptible or pretentious person, especially one who gambles for low stakes. 

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