grey vs nonblack

grey

adj

  • Synonym of coloured (pertaining to the mixed race of black and white). 

  • UK and Commonwealth standard spelling of gray. 

noun

  • UK and Commonwealth standard spelling of gray. 

verb

  • UK and Commonwealth standard spelling of gray. 

nonblack

adj

  • Not of African descent; not racially black. 

  • Not black in colour. 

noun

  • A nonblack person. 

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