foist vs inflict

foist

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. 

noun
  • Fustiness; mustiness. 

  • A thief or pickpocket. 

inflict

verb
  • To thrust upon; to impose. 

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