bramble vs hawthorn

bramble

noun
  • Any thorny shrub. 

  • A cocktail of gin, lemon juice, and blackberry liqueur. 

  • The soft fruit borne by the species Rubus fruticosus formed of a black (when ripe) cluster of drupelets. 

  • Any of many closely related thorny plants in the genus Rubus including the blackberry and likely not including the raspberry proper. 

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 bramble and hawthorn occurred in a corpus of books? (source: Google Ngram Viewer )