gratification vs refreshment

gratification

noun
  • A gratuity; a reward. 

  • The act of gratifying or pleasing, either the mind, or the appetite or taste. 

  • A feeling of pleasure; satisfaction. 

refreshment

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

  • A light snack or drink. 

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