hazel vs sorrel

hazel

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

  • 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. 

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

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