conclave vs consistory

conclave

noun
  • The group of cardinals involved in a conclave. 

  • A closed meeting in which the elector cardinals of the Roman Catholic Church choose a new pope. 

  • A private meeting; a closed or secret assembly. 

  • The set of apartments in which the elector cardinals are secluded while a conclave takes place. 

consistory

noun
  • An assembly of prelates; a session of the college of cardinals at Rome. 

  • The spiritual court of a diocesan bishop held before his chancellor or commissioner in his cathedral church or elsewhere. 

  • A church tribunal or governing body, especially of elders in a Reformed church. 

  • A solemn assembly or council. 

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