helping vs stinging

helping

noun
  • A portion or serving, especially of food that one takes for oneself, or to which one helps oneself. 

  • An amount or quantity 

stinging

noun
  • The act by which someone receives a sting. 

adj
  • Having the capacity to sting. 

  • Precise and hurtful. 

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