cobra lily vs jackfruit

cobra lily

noun
  • A carnivorous plant native to northern California and southern Oregon, Darlingtonia californica 

  • Any plant in the genus Arisaema spread in eastern Asia, eastern Africa and eastern North America 

  • The plant Chasmanthe aethiopica. 

jackfruit

noun
  • The large fruit from this tree. 

  • A tree, Artocarpus heterophyllus, of the Moraceae family, which produces edible fruit. 

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