cognac vs restorative

cognac

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

restorative

noun
  • An alcoholic drink, especially with tonic. 

  • Something with restoring properties. 

adj
  • Serving to restore. 

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