keep going vs nurture

keep going

verb
  • To proceed; to make progress, physically or figuratively. 

  • To see that (a person) is continually supplied with something, or that they can progress or carry on. 

  • To continue functioning. 

nurture

verb
  • To encourage, especially the growth or development of something. 

  • To nourish or nurse. 

noun
  • That which nourishes; food; diet. 

  • The act of nourishing or nursing; tender care 

  • The environmental influences that contribute to the development of an individual (as opposed to "nature"). 

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