decency vs profanity

decency

noun
  • That which is proper or becoming. 

  • The quality of being decent; propriety. 

profanity

noun
  • The quality of being profane; quality of irreverence, of treating sacred things with contempt. 

  • Obscene, lewd or abusive language. 

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