intendant vs officeholder

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. 

officeholder

noun
  • A person who holds an office, especially one appointed or elected to a public office; an incumbent 

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