forest vs hawthorn

forest

noun
  • A dense uncultivated tract of trees and undergrowth, larger than woods. 

  • A defined area of land set aside in England as royal hunting ground or for other privileged use; all such areas. 

  • Any dense collection or amount. 

  • A group of domains that are managed as a unit. 

  • The colour forest green. 

  • A graph with no cycles; i.e., a graph made up of trees. 

verb
  • To cover an area with trees. 

hawthorn

noun
  • Any of various shrubs and small trees of the genus Crataegus having small, apple-like fruits and thorny branches 

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