druglord vs potentate

druglord

noun
  • A person who controls a large network of people involved in the illegal drug trade. 

potentate

noun
  • Someone acting in an important role. 

  • A self-important person. 

  • A powerful leader; a monarch; a ruler. 

  • A powerful polity or institution. 

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