corral vs sward

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. 

sward

verb
  • To cover (ground, etc.) with sward. 

  • Of ground, etc.: to be covered with sward; to develop a covering of sward. 

noun
  • The rind of bacon or pork; also, the outer covering or skin of something. 

  • A homosexual man. 

  • Earth which grass has grown into the upper layer of; greensward, sod, turf; (countable) a portion of such earth. 

  • An expanse of land covered in grass; a lawn or meadow. 

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