parrock vs pasturage

parrock

noun
  • An enclosure; a park; a croft, or small field; a paddock. 

verb
  • To enclose or shut in; park. 

pasturage

noun
  • A pasture; land that is used for pasture. 

  • The right to graze livestock on a pasture. 

  • The grass or other vegetation eaten by livestock and found in a pasture. 

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