compulsion vs license

compulsion

noun
  • The use of authority, influence, or other power to force (compel) a person or persons to act. 

  • An irrational need or irresistible urge to perform some action, often despite negative consequences. 

  • The lawful use of violence (i.e. by the administration). 

license

noun
  • Freedom to deviate deliberately from normally applicable rules or practices (especially in behaviour or speech). 

  • The legal terms under which a person is allowed to use a product, especially software. 

  • A legal document giving official permission to do something; a permit. 

  • Excessive freedom; lack of due restraint. 

verb
  • To give permission or freedom to; accept. 

  • To authorize officially. 

  • To acquire authorization to use, usually in exchange for compensation. 

  • To permit (as grammatically correct). 

  • To give formal authorization to use. 

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