principled vs vile

principled

adj
  • Based on, having, or manifesting principles 

  • strongly adhering to, or heedful of, guiding beliefs or moral rules 

vile

adj
  • Morally low; base; despicable. 

  • Causing physical or mental repulsion; horrid. 

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