gup vs horsefeathers

gup

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

  • An elected head of a gewog in Bhutan. 

horsefeathers

noun
  • Nonsense; indicates disbelief. 

  • Feathering strips. 

  • Long hair on lower legs of a draft horse (e.g., Clydesdale), especially the rear legs. 

intj
  • Indicates disbelief. 

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