meadow vs pastureland

meadow

noun
  • A field or pasture; a piece of land covered or cultivated with grass, usually intended to be mown for hay. 

  • Low land covered with coarse grass or rank herbage near rivers and in marshy places by the sea. 

pastureland

noun
  • land used for grazing animals 

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