cucumber vs gamboge

cucumber

noun
  • The edible fruit of this plant, having a green rind and crisp white flesh. 

  • A vine in the gourd family, Cucumis sativus. 

  • A person who is calm and self-possessed. 

gamboge

noun
  • A deep yellow colour. 

  • The resin of the gamboge tree; a preparation of the resin used as a pigment or for medicinal purposes. 

  • One of several species of trees of the genus Garcinia found in South and Southeastern Asia, especially Garcinia xanthochymus. 

adj
  • Of a deep yellow colour. 

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