co-op vs condominium

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 

condominium

noun
  • An individual unit (such as an apartment) in such a complex. 

  • Joint sovereignty over a territory by two or more countries. 

  • The system of ownership by which such condominiums operate 

  • A region or territory under such rule. 

  • The legal tenure involved. 

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