enforcement vs repeal

enforcement

noun
  • A giving force to; a putting in execution. 

  • The act of enforcing; compulsion. 

  • That which enforces, constraints, gives force, authority, or effect to; constraint; force applied. 

repeal

noun
  • An act or instance of repealing. 

verb
  • To recall; to summon (a person) again; to bring (a person) back from exile or banishment. 

  • To cancel, invalidate, annul. 

  • To suppress; to repel. 

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