mixed-race vs motley

mixed-race

adj
  • Having genetic characteristics of two or more different races. 

motley

adj
  • Having many colours; variegated. 

  • Comprising greatly varied elements, to the point of incongruity. 

noun
  • A jester's multicoloured clothes. 

  • An incongruous mixture. 

  • A jester; a fool. 

How often have the words mixed-race and motley occurred in a corpus of books? (source: Google Ngram Viewer )