drongo vs piff

drongo

noun
  • A fool, an idiot, a stupid fellow. 

  • Any bird of the family Dicruridae. 

piff

noun
  • Piffle; nonsense; rubbish. 

adj
  • good or attractive. 

intj
  • An exclamation of annoyance or contempt; pish; pshaw. 

verb
  • To throw something vigorously. 

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