adherence vs dedication

adherence

noun
  • The fulfilment of the legal obligation of residing with wife or husband. 

  • An extent to which a patient continues an agreed treatment plan. 

  • Faithful support for some cause. 

  • A close physical union of two objects. 

dedication

noun
  • The act of dedicating or the state of being dedicated. 

  • The deliberate or negligent surrender of all rights to property. 

  • A note addressed to a patron or friend, prefixed to a work of art as a token of respect, esteem, or affection. 

  • A ceremony marking an official completion or opening. 

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