gup vs piffle

gup

noun
  • Gossip or rumor; nonsensical or silly talk; blather. 

  • An elected head of a gewog in Bhutan. 

piffle

noun
  • Nonsense, foolish talk. 

verb
  • To waste, to fritter away. 

  • To act or speak in a futile, ineffective, or nonsensical manner. 

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