bubble tea vs hashish

bubble tea

noun
  • Sweetened tea with milk and tapioca pearls, often including fruit juice, syrup and other ingredients. 

hashish

noun
  • A cannabis extract. 

  • Marijuana generally. 

  • The leaves and tender parts of the Indian hemp plant (which are intoxicating), which are dried for either chewing or smoking. 

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