motley vs polymorphous

motley

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

  • Having many colours; variegated. 

noun
  • A jester's multicoloured clothes. 

  • An incongruous mixture. 

  • A jester; a fool. 

polymorphous

adj
  • Having, or occurring in, several distinct forms 

  • Crystallizing in two or more different forms; polymorphic 

  • Having, or assuming, a variety of forms, characters, or styles 

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