equitable vs principled

equitable

adj
  • Fair, just, or impartial. 

  • Marked by or having equity. 

  • Relating to the general principles of justice that correct or supplement the provisions of the law. 

principled

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

  • Based on, having, or manifesting principles 

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