housekeeping vs housework

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. 

housework

noun
  • Domestic household chores such as cleaning and cooking. 

  • Homework. 

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