blasphemy vs strong language

blasphemy

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

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

strong language

noun
  • Language considered offensive or taboo, especially in movies/films. 

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