guyver vs spiel

guyver

noun
  • Flattering talk; behaviour put on to impress or deceive; persiflage. 

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 guyver and spiel occurred in a corpus of books? (source: Google Ngram Viewer )