principled vs respectable

principled

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

  • Based on, having, or manifesting principles 

respectable

adj
  • Deserving respect. 

  • Decent; satisfactory. 

  • Moderately well-to-do. 

noun
  • A person who is respectable. 

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