fatigued vs hell-bent

fatigued

adj

  • Tired; weary. 

hell-bent

adv

  • In a recklessly determined manner; determinedly, wholeheartedly. 

adj

  • Recklessly determined to do or achieve (something). 

How often have the words fatigued and hell-bent occurred in a corpus of books? (source: Google Ngram Viewer )