frost vs saffron

frost

verb
  • To anger or annoy. 

  • To cover with frost. 

  • To become covered with frost. 

  • To bleach individual strands of hair while leaving adjacent strands untouched. 

  • To sharpen (the points of a horse's shoe) to prevent it from slipping on ice. 

  • To coat (something, e.g. a cake) with icing to resemble frost. 

noun
  • A cover of minute ice crystals on objects that are exposed to the air. Frost is formed by the same process as dew, except that the temperature of the frosted object is below freezing. 

  • Coldness or insensibility; severity or rigidity of character. 

  • The cold weather that causes these ice crystals to form. 

  • A shade of white, like that of frost. 

  • A kind of light diffuser. 

saffron

verb
  • To embellish. 

  • 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. 

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. 

adj
  • Having an orange-yellow colour. 

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