rufous vs turmeric

rufous

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

adj
  • of a reddish colour 

turmeric

noun
  • A yellow to reddish-brown dye extracted from the turmeric plant. 

  • An Indian plant, Curcuma longa, with aromatic rhizomes, part of the ginger family (Zingiberaceae). 

  • The pulverized rhizome of the turmeric plant, used for flavoring and to add a bright yellow color to food. 

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