dessert vs mealtime

dessert

noun
  • The last course of a meal, consisting of fruit, sweet confections etc. 

  • A sweet dish or confection served as the last course of a meal. 

mealtime

noun
  • The appointed time at which a meal is served or eaten. 

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