russet vs saffron

russet

adj
  • Having a reddish-brown color. 

  • The condition of leather when its treatment is complete, but it is not yet colored (stained) and polished. 

  • Rustic, homespun, coarse, plain. 

  • Having a rough skin that is reddish-brown or greyish; russeted. 

verb
  • To develop reddish-brown spots; to cause russeting. 

noun
  • A variety of apple with rough, russet-colored skin. 

  • A coarse, reddish-brown, homespun fabric; clothes made with such fabric. 

  • A reddish-brown color. 

  • A variety of potato with rough, dark gray-brown skin. 

saffron

adj
  • Having an orange-yellow colour. 

noun
  • An orange-yellow colour, the colour of a lion's pelt. 

  • A spice (seasoning) and colouring agent made from the stigma and part of the style of the plant, sometimes or formerly also used as a dye and insect repellent. 

  • The plant Crocus sativus, a crocus. 

verb
  • To add saffron to (a food), for taste, colour etc. 

  • To dye (a fabric, garment, etc.) with a saffron-based dye. 

  • To give a saffron colour to (something). 

  • To colour (a metal or wooden surface) with a gilding product containing saffron. 

  • To embellish. 

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