alcohol vs kvass

alcohol

noun
  • Beverages containing ethanol, collectively. 

  • Any of a class of organic compounds (such as ethanol) containing a hydroxyl functional group (-OH). 

  • Ethanol. 

kvass

noun
  • A fermented cereal-based low alcoholic beverage, often flavored with fruit, honey and herbs. 

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