kitchenware vs porcelainware

kitchenware

noun
  • Instruments and utensils found in a kitchen, particularly those associated with the preparation and serving of food. 

  • Of or pertaining to utensils and appliances used for food preparation. 

porcelainware

noun
  • Items made from porcelain. 

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