backyard vs corral

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. 

corral

noun
  • An enclosure for livestock, especially a circular one. 

  • A circle of wagons, either for the purpose of trapping livestock, or for defense. 

  • An enclosure or area to concentrate a dispersed group. 

verb
  • To make a circle of vehicles, as of wagons so as to form a corral. 

  • To capture or round up. 

  • To place inside of a corral. 

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