floccus vs horsefeathers

floccus

noun
  • A flock or tuft of wool or wool-like hairs; the downy plumage of unfledged birds. 

  • A cloud species which consists of rounded tufts of cloud, often formed by dissipation from larger cloud species. Associated with cirrus, cirrocumulus, altocumulus, and stratocumulus genera. 

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 floccus and horsefeathers occurred in a corpus of books? (source: Google Ngram Viewer )