piff vs shrill

piff

adj
  • good or attractive. 

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

noun
  • Piffle; nonsense; rubbish. 

verb
  • To throw something vigorously. 

shrill

adj
  • Sharp or keen to the senses. 

  • Having a shrill voice. 

  • Fierce, loud, strident. 

  • High-pitched and piercing. 

noun
  • A shrill sound. 

verb
  • To make a shrill noise. 

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