guild vs home office

guild

noun
  • A corporation. 

  • A group or association mainly of tradespeople made up of merchants, craftspeople, or artisans for mutual aid, particularly in the Middle Ages. 

  • A group of diverse species that share common characteristics or habits. 

  • An organized group of players who regularly play together in a multiplayer game. 

home office

noun
  • The headquarters of an organization. 

  • A room, in a person's home, equipped as an office so that the person may work from home. 

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