piff vs rough up

piff

verb
  • To throw something vigorously. 

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

noun
  • Piffle; nonsense; rubbish. 

adj
  • good or attractive. 

rough up

verb
  • to manhandle or beat up 

  • To make rough, to roughen (especially doing so to wood while raising the grain) 

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