kvass vs malt

kvass

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

malt

noun
  • A milkshake with malted milk powder added for flavor. 

  • Malt liquor, especially malt whisky. 

  • Malted grain (sprouted grain) (usually barley), used in brewing and otherwise. 

  • Maltose-rich sugar derived from malted grain. 

verb
  • To convert a cereal grain into malt by causing it to sprout (by soaking in water) and then halting germination (by drying with hot air) in order to develop enzymes that can break down starches and proteins in the grain. 

  • To become malt. 

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