law enforcement vs lawfulness

law enforcement

noun
  • The task of ensuring obedience to the law. 

  • The various government agencies, regarded collectively, involved in the prevention of crime and the apprehension of criminals. 

lawfulness

noun
  • Property of being lawful, of obeying the law. 

  • Property of operating in a manner organized by certain laws. 

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