farming vs plowing

farming

adj
  • Raising livestock or fish. 

  • Pertaining to the agricultural business. 

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

  • The business of cultivating land, raising stock etc. 

plowing

verb
  • riding with neither foot leading, with the stick perpendicular to the fall line; not goofy nor regular. 

  • ploughing 

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