bramble vs thistle sage

bramble

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

  • 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. 

thistle sage

noun
  • A North American herb, Salvia carduacea, the seeds of which were once a staple food similar to chia 

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