dedication vs devotion

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. 

devotion

noun
  • The act or state of devoting or being devoted. 

  • Feeling of strong or fervent affection; dedication 

  • Religious veneration, zeal, or piety. 

  • A prayer (often found in the plural) 

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