frill vs purfling

frill

noun
  • A substance or material on the edge of something, resembling such a strip of fabric. 

  • A wrinkled edge to a film. 

  • A strip of pleated fabric or paper used as decoration or trim. 

  • Something extraneous or not essential; something purely for show or effect; a luxury. 

  • The relatively extensive margin seen on the back of the heads of reptiles, with either a bony support or a cartilaginous one. 

verb
  • To become wrinkled. 

  • To provide or decorate with a frill or frills; to turn back in crimped plaits. 

  • To make into a frill. 

purfling

noun
  • An ornament consisting of a bordure of ermines, furs, etc. or gold studs or mountings. 

  • Two or more very narrow strips of black wood enclosing a lighter-coloured strip of wood set close to the edge of the top and back of a string instrument such as a violin, cello or a guitar, following its outline, or this effect simulated with paint. 

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