foist vs gonoph

foist

noun
  • Fustiness; mustiness. 

  • A thief or pickpocket. 

verb
  • To introduce or insert surreptitiously or without warrant. 

  • To force another to accept especially by stealth or deceit. 

  • To pass off as genuine or worthy. 

gonoph

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