bloodshed vs frankpledge

bloodshed

noun
  • The shedding or spilling of blood. 

  • A slaughter; destruction of life, notably on a large scale. 

frankpledge

noun
  • A decener: a member of a tithing bound in frankpledge. 

  • Any group so similarly answerable for the conduct of all its members and liable for collective punishment. 

  • The tithing itself. 

  • A form of collective suretyship and punishment under English law among the members of a tithing. 

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