aigrette vs horsefeathers

aigrette

noun
  • A feather or plume, or feather-shaped item, used as an adornment or ornament. 

  • The lesser white heron. 

  • The feathery crown of some seeds (such as the dandelion). 

horsefeathers

noun
  • Feathering strips. 

  • Nonsense; indicates disbelief. 

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

intj
  • Indicates disbelief. 

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