honest vs principled

honest

adj
  • Scrupulous with regard to telling the truth; not given to swindling, lying, or fraud; upright. 

  • Authentic; full. 

  • Open; frank. 

  • Earned or acquired in a fair manner. 

  • Accurate. 

  • True, especially as far as is known by the person making the statement; fair; unbiased. 

  • In good faith; without malice. 

adv
  • Honestly; really. 

principled

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

  • Based on, having, or manifesting principles 

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