apostolic vs rectorial

apostolic

adj
  • Of or pertaining to the Catholic missions. 

  • Of or pertaining to the pope or the papacy; papal. 

  • Pertaining to apostles or their practice of teaching; pertaining to the apostles (of early Christianity) or their teachings. 

  • According to the doctrines of the apostles; delivered or taught by the apostles. 

rectorial

adj
  • Relating to a rector. 

noun
  • The events associated with the appointment of a new rector. 

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