dedication vs spinelessness

dedication

noun
  • 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. 

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

spinelessness

noun
  • The state or quality of being spineless (not having a spine (literally or figuratively)); cowardice. 

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