expository vs lack-life

expository

adj
  • Serving to explain, explicate, or elucidate; expositive; of or relating to exposition. 

lack-life

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

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