home economics vs housekeeping

home economics

noun
  • The study of homemaking, including cookery, needlework, cleaning, etc. 

housekeeping

noun
  • The chores of maintaining a house as a residence, especially cleaning. 

  • Any general tasks that involve preparation. 

  • Hospitality; a liberal and hospitable table; a supply of provisions. 

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