sanguinary vs yarrow

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. 

yarrow

noun
  • Common yarrow, Achillea millefolium, the type species of the genus. 

  • The green woodpecker, Picus viridis. 

  • Any of several pungent Eurasian and North American herbs, of the genus Achillea, used in traditional herbal medicine. 

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