gup vs whiff-whaff

gup

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

  • An elected head of a gewog in Bhutan. 

whiff-whaff

noun
  • The breathy sound of something rushing quickly; whoosh. 

  • Unnecessary items or additions. 

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