aristocracy vs bey

aristocracy

noun
  • The nobility, or the hereditary ruling class. 

  • Government by such a class, or a state with such a government 

  • A class of people considered (not normally universally) superior to others 

bey

noun
  • in various other places, a prince or nobleman 

  • A governor of a province or district in the Turkish dominions 

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