non-moral vs obscene

non-moral

adj
  • Not moral; unconnected with morals; having no relation to ethics or morals; not involving ethical or moral considerations. 

obscene

adj
  • Offensive to standards of decency or morality. 

  • Disgusting or repulsive. 

  • Lewd or lustful. 

  • Liable to corrupt or deprave. 

  • Beyond all reason; excessive. 

How often have the words non-moral and obscene occurred in a corpus of books? (source: Google Ngram Viewer )