corral vs liberate

corral

verb
  • To capture or round up. 

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

  • To place inside of a 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. 

liberate

verb
  • To acquire from another by theft or force: to steal, to rob. 

  • To release from chemical bonds or solutions. 

  • To acquire from an enemy during wartime, used especially of cities, regions, and other population centers. 

  • To release from servitude or unjust rule. 

  • To release from slavery: to manumit. 

  • To release from restraint or inhibition. 

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