forestry vs gardening

forestry

noun
  • The art and practice of planting and growing trees in forests. 

  • A forest-covered area. 

  • The art and practice of cultivating, exploiting and renewing forests for commercial purposes. 

  • Commercial tree farming. 

  • A tree farm. 

  • The science of planting and growing trees in forests. 

gardening

noun
  • The process or action of cultivating the soil, particularly in a garden; the care of a garden; horticulture. 

  • Any process of care, maintenance, or curation, especially digitally. 

  • The act of a batsman prodding at the pitch with his bat, typically in order to flatten any bumps. 

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