disappoint vs encourage

disappoint

verb
  • To sadden or displease (someone) by underperforming, or by not delivering something promised or hoped for. 

  • To deprive (someone of something expected or hoped for). 

adj
  • disappointed 

encourage

verb
  • To mentally support; to motivate, give courage, hope or spirit. 

  • To spur on, strongly recommend. 

  • To foster, give help or patronage 

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