beetling vs striking

beetling

noun
  • The process by which fabrics, etc. are beetled, or beaten with a mallet. 

adj
  • Jutting or protruding, especially of a person's brows. 

striking

noun
  • The act by which something strikes or is struck. 

adj
  • On strike, taking part in industrial action. 

  • Making a strong impression. 

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