chalk talk vs speel

chalk talk

noun
  • An informal lecture on an academic subject. 

  • A music hall act in which a performer makes chalk caricatures whilst reciting a monologue 

speel

noun
  • A story; a spiel. 

  • A splinter; a strip of wood or metal. 

  • A game. 

verb
  • To talk at length, to spiel. 

  • To run. 

  • To climb. 

  • To lake, play, sport, take amusement. 

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