forest vs wolfberry

forest

noun
  • The colour forest green. 

  • 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. 

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

verb
  • To cover an area with trees. 

wolfberry

noun
  • The berry of this plant. 

  • Any of flowering species of the genus Lycium. 

  • Lycium barbarum or Lycium chinense 

  • The western snowberry, Symphoricarpos occidentalis, a shrub native to nothern and central North America. 

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