inharmonious vs polymorphous

inharmonious

adj
  • Not in harmony; discordant 

  • Lacking accord or agreement 

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