cognac vs snifter

cognac

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

snifter

noun
  • A pear-shaped glass for drinking brandy or other alcoholic beverages. 

  • A sniff or sniffle. 

  • A small alcoholic drink. 

  • A severe storm. 

verb
  • To sniff. 

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