encouraging vs stinging

encouraging

noun
  • encouragement 

adj
  • supporting by giving encouragement 

  • giving courage, confidence or hope 

  • auspicious, or bringing good luck 

stinging

noun
  • The act by which someone receives a sting. 

adj
  • Having the capacity to sting. 

  • Precise and hurtful. 

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