fast food vs snack

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. 

snack

noun
  • An item of food eaten between meals. 

  • A light meal. 

  • A very sexy and attractive person. 

verb
  • To eat a light meal. 

  • To eat between meals. 

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