gnawing vs pricking

gnawing

noun
  • A sensation of being gnawed. 

  • The process by which something is gnawed. 

adj
  • severe or intense 

pricking

noun
  • A sensation that pricks. 

  • The act of piercing or puncturing with a sharp point. 

  • The driving of a nail into a horse's foot so as to produce lameness. 

  • A nicking. 

  • The mark or trace left by a hare's foot; a prick. 

  • The act of tracing a hare by its footmarks. 

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