dampen vs nurture

dampen

verb
  • To become damp or moist. 

  • To lessen; to dull; to make less intense (said of emotions and non-physical things). 

  • To become damped or deadened. 

  • To make damp or moist; to make moderately wet. 

nurture

verb
  • To nourish or nurse. 

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

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 dampen and nurture occurred in a corpus of books? (source: Google Ngram Viewer )