heterochromatic vs walleyed

heterochromatic

adj
  • Having more than one colour; relating to heterochromia. 

  • Of light, having more than one wavelength. 

  • Of or relating to heterochromatin. 

walleyed

adj
  • Having eyes of different colours. 

  • Suffering from exotropia. 

  • Having bulging eyes. 

  • Having eyes with a pale-coloured iris. 

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