backyard vs villa

backyard

noun
  • A yard to the rear of a house or similar residence. 

  • An area nearby to a country or other jurisdiction's legal boundaries, particularly an area in which the country feels it has an interest. 

  • A person's neighborhood, or an area nearby to a person's usual residence or place of work and where the person is likely to go. 

villa

noun
  • A country house, with farm buildings around a courtyard. 

  • A family house, often semi-detached, in a middle class street. 

  • A house, often larger and more expensive than average, in the countryside or on the coast, often used as a retreat. 

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