insignificancy vs nonlife

insignificancy

noun
  • Unimportance, insignificance. 

  • An insignificant person or thing. 

nonlife

noun
  • A life so devoid of meaning or activity that it is barely worth living. 

  • All objects or substances except those considered alive. 

adj
  • Relating to types of insurance which are not life insurance 

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