intendant vs sachem

intendant

noun
  • The administrator of an opera house or theater. 

  • A governor in various specific contexts, including certain South American countries, and historically in the kingdoms of Spain, Portugal, and France, and in imperial China. 

sachem

noun
  • A boss, a leader. 

  • A chief of one or several Native American tribe(s), especially of the Algonquians; a sagamore. 

  • A high-ranking officer of the Tammany Hall political organization. 

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