mulberry vs murrey

mulberry

noun
  • The fruit of this tree. 

  • Any of several trees, of the genus Morus, having edible fruits. 

  • A dark purple colour tinted with red. 

adj
  • Of a dark purple color tinted with red. 

murrey

noun
  • The mulberry fruit. 

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

adj
  • Of a mulberry colour. 

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