apostolic vs vicarial

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. 

vicarial

adj
  • Of or pertaining to a vicar 

  • Delegated; vicarious 

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