oration vs speaking

oration

noun
  • A lengthy speech or argument in a private setting. 

  • A specific form of short, solemn prayer said by the president of the liturgical celebration on behalf of the people. 

  • A formal, often ceremonial speech. 

verb
  • To deliver an oration; to speak. 

speaking

noun
  • The act of communicating vocally. 

  • One's ability to communicate vocally in a given language. 

  • An oral recitation of e.g. a story. 

intj
  • Indication that the person requested is the same as the one who is currently speaking. 

adj
  • Used in speaking. 

  • Having competence in a language. 

  • Having the ability of speech. 

  • Expressive; eloquent. 

  • Involving speaking. 

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