impiety vs loyalty

impiety

noun
  • The lack of respect for a god or something sacred. 

  • An impious act. 

  • The state of being impious. 

loyalty

noun
  • Faithfulness or devotion to some person, cause or nation. 

  • The state of being loyal; fidelity. 

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