cupreous vs gold

cupreous

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

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

  • Of or of the nature of copper. 

  • Containing copper. 

gold

noun
  • A deep yellow colour, resembling the metal gold. 

  • A heavy yellow elemental metal of great value, with atomic number 79 and symbol Au. 

  • A grill (jewellery worn on front teeth) made of gold. 

  • The bullseye of an archery target. 

  • A coin or coinage made of this material, or supposedly so. 

  • A gold medal. 

  • Anything or anyone that is very valuable. 

verb
  • To appear or cause to appear golden. 

adv
  • of or referring to a gold version of something 

symbol
  • ☉ (alchemy) 

adj
  • In a finished state, ready for manufacturing. 

  • Of a musical recording: having sold 500,000 copies. 

  • Made of gold. 

  • Premium, superior. 

  • Having the colour of gold. 

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