housekeeping vs schoolwork

housekeeping

noun
  • Any general tasks that involve preparation. 

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

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

schoolwork

noun
  • Work done for school, including both in class and homework. 

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