bleh vs piff

bleh

intj
  • An expression of mild disgust, possible imitative of vomiting 

  • Used to reflect general indifference to a situation or topic. 

adj
  • Mildly uncomfortable; not good. 

piff

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

verb
  • To throw something vigorously. 

adj
  • good or attractive. 

noun
  • Piffle; nonsense; rubbish. 

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