hem vs purfling

hem

noun
  • A rim or margin of something. 

  • In sheet metal design, a rim or edge folded back on itself to create a smooth edge and to increase strength or rigidity. 

  • An utterance or sound of the voice like "hem", often indicative of hesitation or doubt, sometimes used to call attention. 

  • The border of an article of clothing doubled back and stitched together to finish the edge and prevent it from fraying. 

verb
  • To shut in, enclose, confine; to surround something or someone in a confining way. 

  • To make the sound expressed by the word hem; to hesitate in speaking. 

  • To make a hem. 

  • To put hem on an article of clothing, to edge or put a border on something. 

intj
  • Used to fill in the gap of a pause with a vocalized sound. 

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 hem and purfling occurred in a corpus of books? (source: Google Ngram Viewer )