bullpen vs co-op

bullpen

noun
  • An open seating arrangement where project teams can communicate openly with minimal effort. 

  • The relief pitchers of a team collectively. 

  • A place for someone or something to get ready. 

  • An enclosed area for pitchers to warm up in during a game. 

  • An enclosed area used to hold bulls. 

co-op

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

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

  • 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 bullpen and co-op occurred in a corpus of books? (source: Google Ngram Viewer )