boring vs digging

boring

noun
  • Fragment thrown up when something is bored or drilled. 

  • A pit or hole which has been bored. 

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. 

digging

noun
  • The action performed by a person or thing that digs. 

  • A place where ore is dug, especially certain localities in California, Australia, etc. where gold is obtained. 

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