biosphere vs co-op

biosphere

noun
  • The totality of living organisms and their environment. 

  • The part of the Earth and its atmosphere capable of supporting life. 

co-op

noun
  • A unit of a housing cooperative; a purchased apartment where the apartment owners collectively are responsible for maintenance of common areas and upkeep. 

  • A cooperative game, as opposed to a competitive game or deathmatch. 

  • Any cooperative, including housing, retail, utility, agricultural, banking or worker cooperatives. 

  • Any shop owned by a cooperative. 

verb
  • Synonym of cooperate 

How often have the words biosphere and co-op occurred in a corpus of books? (source: Google Ngram Viewer )