bullfinch vs sepia

bullfinch

noun
  • The Eurasian bullfinch (Pyrrhula pyrrhula). 

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

sepia

noun
  • A dark brown pigment made from the secretions of the cuttlefish. 

  • A sepia-coloured drawing or photograph. 

  • A dark, slightly reddish, brown colour. 

adj
  • Of a dark reddish-brown colour. 

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