monologue vs spiel

monologue

noun
  • A long, uninterrupted utterance that monopolizes a conversation. 

  • A long series of comic stories and jokes as an entertainment. 

  • A long speech by one person in a play; sometimes a soliloquy; other times spoken to other characters. 

verb
  • To deliver a monologue. 

spiel

noun
  • A lengthy and extravagant speech or argument usually intended to persuade. 

  • A game of curling. 

  • An early form of rap music. 

verb
  • To give a sales pitch; to promote by speaking. 

  • To talk at length. 

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