cocoa vs sorrel

cocoa

noun
  • A light to medium brown colour. 

  • The dried and partially fermented fatty seeds of the cacao tree from which chocolate is made. 

  • A serving of this drink. 

  • An unsweetened brown powder made from roasted, ground cocoa beans, used in making chocolate, and in cooking. 

  • A hot drink made with milk, cocoa powder, and sugar. 

adj
  • Of a light to medium brown colour, like that of cocoa powder. 

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