cenacle vs meeting

cenacle

noun
  • A small circle or gathering of specialists (writers etc). 

  • A dining room, especially one on an upper floor (traditionally the room in which the Last Supper took place). 

meeting

noun
  • A gathering of persons for a purpose; an assembly. 

  • A place or instance of junction or intersection; a confluence. 

  • The people at such a gathering. 

  • The act of persons or things that meet. 

  • An administrative unit in the Religious Society of Friends (Quakers). 

  • An encounter between people, even accidental. 

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