cronk vs pong

cronk

verb
  • To honk like a goose. 

noun
  • A hill or barrow. 

  • The honking sound of a goose. 

pong

verb
  • To stink, to smell bad. 

  • To invent a line of dialogue when one has forgotten the actual line. 

  • To deliver a line of a play in an arch, suggestive or unnatural way, so as to draw undue attention to it. 

noun
  • A packet sent in reply to a ping, thereby indicating the presence of a host. 

  • A stench, a bad smell. 

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