encourage vs torment

encourage

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

  • To spur on, strongly recommend. 

  • To foster, give help or patronage 

torment

verb
  • To cause severe suffering to (stronger than to vex but weaker than to torture.) 

noun
  • Any extreme pain, anguish or misery, either physical or mental. 

  • Torture, originally as inflicted by an instrument of torture. 

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