circuit intendant vs mutasarrif

circuit intendant

noun
  • The chief magistrate of an imperial Chinese circuit, overseeing both its civil operation and local defense. 

mutasarrif

noun
  • The governor of a province in some Muslim contexts, particularly (historical) in the Ottoman Empire. 

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