bullfinch vs henna

bullfinch

noun
  • Any of various other Old World finches in the genus Pyrrhula. 

  • The Eurasian bullfinch (Pyrrhula pyrrhula). 

henna

noun
  • A shrub, Lawsonia inermis, having fragrant reddish flowers 

  • A reddish plant substance, prepared from the dried leaves of this plant, used for temporary tattoos and hair coloring. Hair colorings range from bright red to earth brown to near black. 

  • A rich reddish-brown colour. 

adj
  • Of a rich reddish-brown colour. 

verb
  • To dye or tattoo with henna. 

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