clot vs piff

clot

noun
  • A silly person. 

  • A solidified mass of any liquid. 

  • A thrombus, solidified mass of blood. 

verb
  • To form a clot or mass. 

  • To cause to clot or form into a mass. 

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 clot and piff occurred in a corpus of books? (source: Google Ngram Viewer )