flatware vs knives, forks, and spoons

flatware

noun
  • Eating utensils; cutlery, such as forks, knives and spoons. 

  • plates, dishes and other relatively flat crockery. 

knives, forks, and spoons

How often have the words flatware and knives, forks, and spoons occurred in a corpus of books? (source: Google Ngram Viewer )