pistachio vs rufous

pistachio

noun
  • A pale green colour, like that of a pistachio seed. 

  • The nutlike fruit of this tree. 

  • A deciduous tree (Pistacia vera) grown in parts of Asia for its drupaceous fruit. 

rufous

noun
  • A reddish-brown colour, as of rust. 

adj
  • of a reddish colour 

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