boring vs pricking

boring

noun
  • A pit or hole which has been bored. 

  • Fragment thrown up when something is bored or drilled. 

adj
  • Capable of penetrating; piercing. 

  • Used, designed to be used, or able to drill holes. 

  • Suffering from boredom; mildly annoyed and restless through having nothing to do. 

  • Causing boredom or tiredness; making you to feel tired and impatient. 

pricking

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

  • 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 sensation that pricks. 

  • A nicking. 

  • The act of tracing a hare by its footmarks. 

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