fast food vs refreshment

fast food

noun
  • A type of food that is quickly made, but of low nutritional value; junk food. 

  • Anything standardized, quickly available, and inexpensive, often, of low value. 

  • Food that is served quickly, often standardized and pre-prepared. 

refreshment

noun
  • A light snack or drink. 

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

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