dedication vs epitaph

dedication

noun
  • A ceremony marking an official completion or opening. 

  • 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. 

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

epitaph

noun
  • An inscription on a gravestone in memory of the deceased. 

  • A poem or other short text written in memory of a deceased person. 

verb
  • To write or speak after the manner of an epitaph. 

  • To commemorate by an epitaph. 

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