encouragement vs reassurance

encouragement

noun
  • The feeling of being encouraged 

  • Words or actions that increase someone's confidence 

  • Something that incites, supports, promotes, protects or advances; incentive 

  • The act of encouraging 

reassurance

noun
  • The feeling of being reassured, of having confidence restored, of having apprehensions dispelled. 

  • The act of confirming someone's opinion or impression. 

  • Reinsurance. 

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