dysphemism vs profanity

dysphemism

noun
  • The use of a word or phrase carrying negative connotations or imagery (especially one that is derogatory, offensive or vulgar) to replace a (more) neutral original. 

  • A word or phrase that is used to replace another in this way. 

profanity

noun
  • Obscene, lewd or abusive language. 

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

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