prefecture vs sanjakbey

prefecture

noun
  • The office or position of a prefect. 

  • The jurisdiction of a prefect; the region administered by a prefect, especially as a translation of certain French, Chinese, and Japanese administrative divisions. 

sanjakbey

noun
  • An official of the Ottoman Empire who oversaw a sanjak. 

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