farming vs groundskeeping

farming

noun
  • The business of cultivating land, raising stock etc. 

  • A farming operation; a farm, or instance of farming on a piece of land. 

adj
  • Raising livestock or fish. 

  • Pertaining to the agricultural business. 

groundskeeping

noun
  • The activity of tending an area of land for aesthetic or functional purposes; typically as an employee of a person or institution 

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