gaw vs piff

gaw

intj
  • An expletive, expressing disbelief, horror, or disdain 

piff

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

verb
  • To throw something vigorously. 

noun
  • Piffle; nonsense; rubbish. 

adj
  • good or attractive. 

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