cenacle vs entourage

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). 

entourage

noun
  • A retinue of attendants, associates or followers. 

  • Decorations, such as people, vehicles, or trees, appearing on an architectural sketch or rendering to make the site look more lively. 

  • A binary relation in a uniform space which generalises the notion of two points being no farther apart than a given fixed distance; a uniform neighbourhood. 

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