human vs sempiternal

human

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

  • Any hominid of the genus Homo. 

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. 

sempiternal

adj
  • Everlasting, eternal. 

  • Everlasting, that is, having infinite temporal duration (as opposed to eternal: outside time and thus lacking temporal duration altogether). 

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