goof vs piff

goof

noun
  • A foolish and/or silly person; a goofball. 

  • An error made during production which finds its way into the final release. 

  • A mistake or error. 

  • A child molester. 

verb
  • To make a mistake. 

  • To engage in mischief. 

piff

noun
  • Piffle; nonsense; rubbish. 

verb
  • To throw something vigorously. 

adj
  • good or attractive. 

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

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