ivory vs nonblack

ivory

adj
  • Resembling or having the colour of ivory. 

  • Made of ivory. 

noun
  • The keys of a piano. 

  • A creamy white color, the color of ivory. 

  • The hard white form of dentin which forms the tusks of elephants, walruses and other animals. 

  • The teeth. 

  • A white person. 

  • Something made from or resembling ivory. 

  • A die (object bearing numbers, thrown in games of chance). 

nonblack

adj
  • Not black in colour. 

  • Not of African descent; not racially black. 

noun
  • A nonblack person. 

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