distraught vs unconcerned

distraught

adj
  • Deeply hurt, saddened, or worried; incapacitated by distress. 

  • Mad; insane. 

unconcerned

adj
  • Not anxious, apprehensive, or worried. 

  • Having no involvement. 

  • Indifferent and having no interest; aloof. 

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