albino vs hypomelanoid

albino

adj
  • Congenitally lacking melanin pigmentation in the skin, eyes, and hair or feathers (or more rarely only in the eyes); born with albinism. 

noun
  • A person or animal congenitally lacking melanin pigmentation in the skin, eyes, and hair or feathers (or more rarely only in the eyes); one born with albinism. 

hypomelanoid

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