brush off vs nurture

brush off

verb
  • Used other than figuratively or idiomatically: see brush, off. To remove something with a brush. 

  • To disregard (something), to dismiss or ignore (someone), as unimportant. 

nurture

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"). 

verb
  • To nourish or nurse. 

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

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