domicile vs room and board

domicile

noun
  • A residence at a particular place accompanied with an intention to remain there for an unlimited time; a residence accepted as a final abode. 

  • A home or residence. 

verb
  • To have a domicile in a particular place. 

room and board

noun
  • A place of lodging with daily meals, usually provided in return for rent or other considerations. 

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