murrey vs purpure

murrey

noun
  • A tincture, the colour of mulberries, between gules (red) and purpure (purple). 

  • The mulberry fruit. 

adj
  • Of a mulberry colour. 

purpure

noun
  • purpure 

  • A purple colour on a coat of arms, represented in engraving by diagonal parallel lines 45 degrees clockwise. 

adj
  • In blazon, of the colour purple. 

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