enforcement vs imposure

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. 

imposure

noun
  • The act of imposing. 

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