amber vs sorrel

amber

noun
  • A yellow-orange colour. 

  • A hard, generally yellow to brown translucent fossil resin, used for jewellery. One variety, blue amber, appears blue rather than yellow under direct sunlight. 

  • The stop codon (nucleotide triplet) "UAG", or a mutant which has this stop codon at a premature place in its DNA sequence. 

  • Hesitance to proceed, or limited approval to proceed; an amber light. 

  • The intermediate light in a set of three traffic lights, which when illuminated indicates that drivers should stop short of the intersection when safe to do so. 

verb
  • To take on the yellow colour of amber. 

  • To cause to take on the yellow colour of amber. 

  • To perfume or flavour with ambergris. 

  • To preserve in amber. 

adj
  • Of a brownish yellow colour, like that of most amber. 

sorrel

noun
  • A brown colour, with a tint of red. 

  • Rumex acetosa (common sorrel, garden sorrel), sometimes used as a salad vegetable. 

  • The roselle, Hibiscus sabdariffa. 

  • Members of genus Oxalis or family Oxalidaceae, woodsorrels. 

  • A drink, consumed especially in the Caribbean around Christmas, made from the flowers of Hibiscus sabdariffa: hibiscus tea. 

adj
  • Of a brown colour, with a tint of red. (especially: a sorrel horse) 

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