bullpen vs stabling

bullpen

noun
  • An enclosed area used to hold bulls. 

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

stabling

noun
  • A building, shed, or room for horses and cattle; a stable. 

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