estate vs rookery

estate

noun
  • An (especially extensive) area of land, under a single ownership. 

  • An organization's collective information technology resources. 

  • A station wagon; a car with a tailgate (or liftgate) and storage space to the rear of the seating which is coterminous with the passenger compartment (and often extensible into that compartment via folding or removable seating). 

  • The collective property and liabilities of someone, especially a deceased person. 

  • The nature and extent of a person's interest in, or ownership of, land. 

  • A housing estate. 

  • The landed property owned or controlled by a government or a department of government. 

  • A major social class or order of persons regarded collectively as part of the body politic of the country and formerly possessing distinct political rights (Estates of the realm). 

adj
  • Previously owned; secondhand. 

rookery

noun
  • A colony of breeding birds or other animals. 

  • A place where criminals congregate, often an area of a town or city. 

  • A crowded tenement. 

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