ambiance vs entourage

ambiance

noun
  • A particular mood or atmosphere of an environment or surrounding influence. 

  • A secondary color of a polygon that becomes more pronounced with shading. 

entourage

noun
  • 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. 

  • A retinue of attendants, associates or followers. 

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