atabeg vs intendant

atabeg

noun
  • A high medieval Turkish feudal title, originally charged with the caretaking and mentoring of the realm's crown prince. 

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. 

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