gritty vs never-say-die

gritty

adj
  • Spirited; resolute; unyielding. 

  • Containing sand or grit; consisting of grit; caused by grit; full of hard particles. 

  • Intense and starkly realistic; depicting harsh reality, especially violence. 

never-say-die

adj
  • That does not give up in despair; indomitable. 

How often have the words gritty and never-say-die occurred in a corpus of books? (source: Google Ngram Viewer )