delivery vs oratory

delivery

noun
  • The manner of speaking. 

  • The act of giving birth 

  • A thrown pitch. 

  • A pitching motion. 

  • The process of throwing a stone. 

  • The administration of a drug. 

  • The item which has been conveyed. 

  • Process of introducing foreign DNA into host cells. 

  • A cross or pass 

  • The act of conveying something. 

  • A ball bowled. 

oratory

noun
  • The art of public speaking, especially in a formal, expressive, or forceful manner. 

  • Eloquence; the quality of artistry and persuasiveness in speech or writing. 

  • A Roman Catholic chapel; a building for public or private worship that is not a parish church. 

  • A private chapel or prayer room. 

  • A Catholic church belonging to the Oratory of Saint Philip Neri. 

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