emerald vs money tree

emerald

noun
  • Emerald green, a colour. 

  • Any of various green gemstones, especially a green transparent form of beryl, highly valued as a precious stone. 

  • Any hummingbird in the genera Chlorostilbon and Elvira; and some in the genus Amazilia 

  • Any of various species of dragonfly of the family Corduliidae. 

verb
  • To ornament with, or as if with, emeralds; to make green. 

adj
  • Of a rich green colour. 

money tree

noun
  • The cocoa tree, Theobroma cacao. 

  • A cheap tree sculpture, decorated with currency, used as a raffle prize because it would be illegal to offer a cash prize. 

  • The jade plant, Crassula ovata. 

  • An imaginary tree from which money can be plucked. See money doesn't grow on trees. 

  • A kind of holy tree believed to bring money and good fortune. 

  • The Malabar chestnut, Pachira aquatica. 

  • A miniature tree sculpture decorated with currency, often used as a raffle prize or a gift. 

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