immorality vs salacity

immorality

noun
  • The state or quality of being immoral; vice. 

  • An immoral act or practice. 

salacity

noun
  • The state or quality of being salacious; lewdness, obscenity, bawdiness. 

  • An act that is salacious, (lewd, obscene or bawdy); a salacious image or piece of writing. 

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