occupancy vs surroundings

occupancy

noun
  • The specific use to which something occupied is put. 

  • The act of occupying, the state of being occupied or the state of being an occupant or tenant. 

  • The period of time during which someone rents or otherwise occupies certain land or premises. 

surroundings

noun
  • The area surrounding someone or something, together with the objects and circumstances in the vicinity; the environment or ambiance. 

  • All parts of the universe that are not within the thermodynamic system of interest. 

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