furphy vs whispering

furphy

noun
  • A rumour, or an erroneous or improbable story. 

whispering

noun
  • Something that is whispered; gossip; a rumor. 

adj
  • that whispers 

  • associated with whispers 

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