human vs nonhuman

human

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

• Having the nature or attributes of a human being. 

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

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

• Any hominid of the genus Homo. 

nonhuman

• A creature or thing that is not human. 

• Not human; not of the human race.