celebrant vs diocesan

celebrant

noun
  • A person who officiates at a religious ceremony, especially a marriage or the Eucharist. 

  • A person who is celebrating something. 

  • A person who conducts formal ceremonies in the community, particularly weddings, baby namings, renewals of wedding vows and funerals. 

diocesan

noun
  • An inhabitant of a diocese. 

  • The bishop of a diocese. 

adj
  • Pertaining to a diocese. 

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