lowland vs pasture

lowland

noun
  • An area which is considered particularly low or lower than surrounding areas. 

pasture

noun
  • Ground covered with grass or herbage, used or suitable for the grazing of livestock. 

  • Land, specifically, an open field, on which livestock is kept for feeding. 

verb
  • To move animals into a pasture. 

  • To graze. 

  • To feed, especially on growing grass; to supply grass as food for. 

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