cudgelling vs hammering

cudgelling

noun
  • A beating with a cudgel. 

hammering

noun
  • A period of being beaten or hammered. 

  • A heavy defeat. 

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

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