alcohol vs cognac

alcohol

noun
  • Beverages containing ethanol, collectively. 

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

  • Ethanol. 

cognac

noun
  • A brandy distilled from white wine in the region around Cognac in France. 

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