consular vs ministerial

consular

adj
  • Of or pertaining to a consul, or the office thereof. 

noun
  • A Roman consul. 

ministerial

adj
  • Related to a governmental minister or ministry. 

  • Related to a religious minister or ministry. 

  • Having the power to wield delegated executive authority. 

  • Serving as an instrument or means (i.e., procedural or ancillary, not substantive). 

noun
  • A member of the mediaeval estate or caste of unfree nobles. 

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