green tea vs hemp

green tea

noun
  • A beverage brewed from green tea leaves. 

  • Leaves of the tea plant which are treated with steam or roasted to denature the enzymes that cause the leaves to darken and change taste. (Without this step they would become oolong tea or black tea). 

hemp

noun
  • Various products of this plant, including fibres and the drug cannabis. 

  • A tall annual herb, Cannabis sativa, native to Asia. 

  • The gallows. 

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