law enforcement vs legality

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. 

legality

noun
  • Lawfulness. 

  • A dice game; the same as chuck-a-luck. 

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