murrey vs purpleness

murrey

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

  • The mulberry fruit. 

adj
  • Of a mulberry colour. 

purpleness

noun
  • The state or condition of being purple in colour. 

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