hazel vs saffron

hazel

adj
  • Of a greenish-brown colour. (often used to refer to eye colour) 

noun
  • The wood of a hazelnut tree. 

  • Freestone. 

  • The nut of the hazel tree. 

  • A tree or shrub of the genus Corylus, bearing edible nuts called hazelnuts or filberts. 

  • A greenish-brown colour, the colour of a ripe hazelnut. 

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 hazel and saffron occurred in a corpus of books? (source: Google Ngram Viewer )