homogeneous vs polymorphous

homogeneous

adj
  • Of which the properties of a smaller set apply to the whole; scalable. 

  • Having the same composition throughout; of uniform make-up. 

  • Of the same kind; alike, similar. 

  • In the same state of matter. 

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 homogeneous and polymorphous occurred in a corpus of books? (source: Google Ngram Viewer )