blasphemy vs expletive

blasphemy

noun
  • An act of irreverence or contempt toward a god or toward something considered sacred; an impious act, utterance, view, etc. 

  • An act of irreverence towards anything considered inviolable; the act of disregarding a convention. 

expletive

noun
  • A profane, vulgar term, notably a curse or obscene oath. 

  • A word without meaning added to fill a syntactic position. 

  • A word that adds to the strength of a phrase without affecting its meaning. 

adj
  • Serving to fill up, merely for effect, otherwise redundant. 

  • Marked by expletives (phrase-fillers). 

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