lack-life vs naturalistic

lack-life

adj
  • Represented in such a way as to show important characteristics, rather than in a realistic or literal manner; stylized; abstract. 

naturalistic

adj
  • Of or relating to philosophical or methodological naturalism. 

  • Having the appearance of nature or realism; lifelike or realistic. 

How often have the words lack-life and naturalistic occurred in a corpus of books? (source: Google Ngram Viewer )