dire vs internecine

dire

adj
  • Expressing bad consequences: dreadful; dismal. 

  • Warning of bad consequences: ill-boding; portentous. 

  • Bad in quality, awful, terrible. 

  • Requiring action to prevent bad consequences: urgent, pressing. 

internecine

adj
  • Mutually destructive; most often applied to warfare. 

  • Characterized by struggle within a group, usually applied to an ethnic or familial relationship. 

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