manor vs mansion

manor

noun
  • The main house of such an estate or a similar residence; a mansion. 

  • A landed estate. 

  • The lord's residence and seat of control in such a district. 

  • One's neighbourhood. 

  • Any home area or territory in which authority is exercised, often in a police or criminal context. 

  • A district over which a feudal lord could exercise certain rights and privileges in medieval western Europe. 

mansion

noun
  • A large house or building, usually built for the wealthy. 

  • An astrological house; a station of the moon. 

  • An apartment building. 

  • One of twenty-eight sections of the sky. 

  • An individual habitation or apartment within a large house or group of buildings. (Now chiefly in allusion to John 14:2.) 

  • Any of the branches of the Rastafari movement. 

  • A luxurious flat (apartment). 

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