Coke vs lactose

Coke

noun
  • A bottle, glass or can of Coca-Cola or a cola-based soft drink. 

  • Cola-based soft drink; (in particular) Coca-Cola. 

  • Any soft drink, regardless of type. 

lactose

noun
  • The disaccharide sugar of milk and dairy products, C₁₂H₂₂O₁₁, a product of glucose and galactose used as a food and in medicinal compounds. 

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