evil vs obscenity

evil

noun
  • Moral badness; wickedness; malevolence; the forces or behaviors that are the opposite or enemy of good. 

  • Something which impairs the happiness of a being or deprives a being of any good; something which causes suffering of any kind to sentient beings; harm; injury; mischief. 

adj
  • Unpleasant, foul (of odour, taste, mood, weather, etc.). 

  • Undesirable; harmful; bad practice. 

  • Intending to harm; malevolent. 

  • Morally corrupt. 

  • Producing or threatening sorrow, distress, injury, or calamity; unpropitious; calamitous. 

obscenity

noun
  • The qualities that make something obscene; lewdness, indecency, or offensive behaviour. 

  • Specifically, an offensive word; a profanity; a dirty word. 

  • An act of obscene behaviour. 

  • Something that is obscene. 

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