popinjay vs thousand-leaf

popinjay

noun
  • The green woodpecker, Picus viridis. 

  • A parrot. 

  • A target to shoot at, typically stuffed with feathers or plumage. 

thousand-leaf

noun
  • Achillea millefolium or common yarrow, a flowering plant widespread in the temperate Northern Hemisphere, featuring finely divided leaves. 

How often have the words popinjay and thousand-leaf occurred in a corpus of books? (source: Google Ngram Viewer )