herd together vs pasture

herd together

verb
  • To push people or animals into a group, as a herd. 

pasture

verb
  • To move animals into a pasture. 

  • To graze. 

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

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

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

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