human vs sapien

human

noun
  • Any hominid of the genus Homo. 

  • The tallest, most abundant and most intelligent of primates; Homo sapiens. 

adj
  • Of or belonging to the species Homo sapiens or its closest relatives. 

  • Having the nature or attributes of a human being. 

verb
  • To behave as or become, or to cause to behave as or become, a human. 

sapien

noun
  • A human, a specimen of Homo sapiens. 

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