hammering vs horsewhipping

hammering

noun
  • A period of being beaten or hammered. 

  • A heavy defeat. 

  • A dented appearance on silverware, produced by successive blows of a hammer. 

horsewhipping

noun
  • A beating with a horsewhip. 

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