Conventual vs pontifical

Conventual

noun
  • A member of one of the two divisions of the Franciscans, following a mitigated rule, the other being the Observants. 

pontifical

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

adj
  • 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. 

  • Of or pertaining to the pontifices of Ancient Rome. 

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