piff vs putrefaction

piff

noun
  • Piffle; nonsense; rubbish. 

verb
  • To throw something vigorously. 

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

adj
  • good or attractive. 

putrefaction

noun
  • The state of being rotten. 

  • The act of causing to rot; the anaerobic splitting of proteins by bacteria and fungi with the formation of malodorous, incompletely oxidized products. 

  • Rotten material. 

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