iniquitous vs non-moral

iniquitous

adj
  • Morally objectionable. 

  • Wicked or sinful. 

non-moral

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

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