charcoal vs melanoid

charcoal

adj
  • Of a dark gray colour. 

  • Made of charcoal. 

noun
  • impure carbon obtained by destructive distillation of wood or other organic matter, that is, heating it in the absence of oxygen. 

  • A stick of black carbon material used for drawing. 

  • A drawing made with charcoal. 

  • A very dark gray colour. 

verb
  • To cook over charcoal. 

  • To draw with charcoal. 

melanoid

adj
  • Relating to, or resembling, melanin. 

  • Relating to, or afflicted with, melanosis. 

noun
  • Synonym of melanoidin 

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