hair of the dog vs refreshment

hair of the dog

noun
  • An alcoholic drink, particularly when taken the morning after to cure a hangover. 

refreshment

noun
  • A light snack or drink. 

  • The action of refreshing; a means of restoring strength, energy or vigour. 

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