biological vs hematic

biological

adj
  • Of or relating to biology. 

  • Organic (grown without agrochemicals). 

  • Related by consanguinity, especially as to parents and children. 

noun
  • A biological product. 

hematic

adj
  • Of, pertaining to, affecting or containing blood 

noun
  • hematinic 

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