diplomatic vs pontifical

diplomatic

adj
  • Relating to diplomatics, or the study of old texts; paleographic. 

  • Exhibiting diplomacy; exercising tact or courtesy; using discussion to avoid hard feelings, fights or arguments. 

  • describing a publication of a text which follows a single basic manuscript, but with variants in other manuscripts noted in the critical apparatus 

  • Concerning the relationships between the governments of countries. 

noun
  • The science of diplomas, or the art of deciphering ancient writings and determining their age, authenticity, etc.; paleography. 

pontifical

adj
  • Of or pertaining to the pontifices of Ancient Rome. 

  • Pompous, dignified or dogmatic. 

  • Of or pertaining to a bishop; episcopal. 

  • Splendid; magnificent. 

  • Of or pertaining to a pope; papal. 

  • Of or relating to the building or forming of bridges. 

noun
  • A book containing the offices, or formulas, used by a pontiff. 

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