foyer vs residence hall

foyer

noun
  • A lobby, corridor, or waiting room, used in a hotel, theater, etc. 

  • A hostel offering accommodation and work opportunities to homeless young people. 

  • The crucible or basin in a furnace which receives the molten metal. 

residence hall

noun
  • A hall of residence. 

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