planting vs sowing

planting

noun
  • The act of setting a plant in the ground for growth. 

  • A plantation. 

  • A plant (or clipping) that has been freshly planted. 

sowing

noun
  • The act or process by which something is sown. 

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