bloodroot vs sanguinary

bloodroot

noun
  • A North American plant, Sanguinaria canadensis, of the poppy family, which has a red root and sap and a single white flower in early spring. 

sanguinary

noun
  • The plant common yarrow, or herba sanguinaria (Achillea millefolium). 

  • A bloodthirsty person. 

adj
  • Eager to shed blood; bloodthirsty. 

  • Involving bloodshed. 

  • Consisting of, covered with, or similar in appearance to blood. 

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