speel vs yak

speel

verb
  • To talk at length, to spiel. 

  • To run. 

  • To climb. 

  • To lake, play, sport, take amusement. 

noun
  • A splinter; a strip of wood or metal. 

  • A game. 

  • A story; a spiel. 

yak

verb
  • To talk, particularly informally but persistently; to chatter or prattle. 

  • To vomit, usually as a result of excessive alcohol consumption. 

noun
  • An ox-like mammal native to the Himalayas, Mongolia, Burma, and Tibet with dark, long, and silky hair, a horse-like tail, and a full, bushy mane. 

  • A talk, particular an informal talk; chattering; gossip. 

  • A laugh. 

  • Vomit. 

  • A kayak. 

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