cherish vs cultivate

cherish

verb
  • To treat with affection, care, and tenderness; to nurture or protect with care. 

  • To have a deep appreciation of; to hold dear. 

cultivate

verb
  • To nurture; to foster; to tend. 

  • To turn or stir soil in preparation for planting. 

  • To grow plants, notably crops. 

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