demesne vs real property

demesne

noun
  • A lord's chief manor place, with that part of the lands belonging thereto which has not been granted out in tenancy; a house, and the land adjoining, kept for the proprietor's own use. 

  • A region or area; a domain. 

real property

noun
  • real estate. 

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