piff vs rubbish

piff

noun
  • Piffle; nonsense; rubbish. 

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

verb
  • To throw something vigorously. 

adj
  • good or attractive. 

rubbish

noun
  • Nonsense. 

  • Refuse, waste, garbage, junk, trash. 

  • An item, or items, of low quality. 

verb
  • To criticize, to denigrate, to denounce, to disparage. 

  • To litter. 

intj
  • Used to express that what was recently said is nonsense or untrue; balderdash!, nonsense! 

  • Used to express that something is exceedingly bad, awful, or terrible. 

adj
  • Exceedingly bad; awful. 

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