co-op vs galleria

co-op

verb
  • Synonym of cooperate 

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. 

galleria

noun
  • An indoor area, or covered courtyard, containing shops. 

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