cupreous vs reddy

cupreous

adj
  • Of a reddish-brown color, like that of polished copper. 

  • Of or of the nature of copper. 

  • Containing copper. 

noun
  • A reddish-brown color, like that of polished copper. 

reddy

adj
  • Somewhat red in colour. 

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