clod vs piff

clod

verb
  • To throw violently; to hurl. 

  • To collect into clods, or into a thick mass; to coagulate; to clot. 

  • To pelt with clods. 

noun
  • A lump of something, especially of earth or clay. 

  • Part of a shoulder of beef, or of the neck piece near the shoulder. 

  • The ground; the earth; a spot of earth or turf. 

  • A stupid person; a dolt. 

piff

verb
  • To throw something vigorously. 

adj
  • good or attractive. 

noun
  • Piffle; nonsense; rubbish. 

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

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