puce vs purpure

puce

adj
  • Of a brownish-purple color, sometimes more or less deep red or grayish. 

noun
  • A brownish-purple color, sometimes more or less deep red or grayish. 

purpure

adj
  • In blazon, of the colour purple. 

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

  • purpure 

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