piff vs sheer

piff

verb
  • To throw something vigorously. 

adj
  • good or attractive. 

noun
  • Piffle; nonsense; rubbish. 

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

sheer

verb
  • To swerve from a course. 

adj
  • Used to emphasize the amount or degree of something. 

  • Very steep; almost vertical or perpendicular. 

  • Downright; complete; pure. 

  • Very thin or transparent. 

noun
  • A sheer curtain or fabric. 

  • An abrupt swerve from the course of a ship. 

  • The curve of the main deck or gunwale from bow to stern. 

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