cheapjack vs tinhorn

cheapjack

adj
  • shabby 

noun
  • A peddler, a travelling hawker. 

tinhorn

adj
  • Cheap, inferior; pretentious. 

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

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