cenacle vs gaggle

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). 

gaggle

noun
  • Any group or gathering of related things. 

  • A group of geese when they are on the ground or on the water. 

verb
  • To make a noise like a goose; to cackle. 

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