decisive vs true-hearted

decisive

adj
  • Having the power or quality of deciding a question or controversy; putting an end to contest or controversy; final; conclusive. 

  • Marked by promptness and decision. 

true-hearted

adj
  • Having a faithful heart; honest; sincere; not faithless or deceitful. 

How often have the words decisive and true-hearted occurred in a corpus of books? (source: Google Ngram Viewer )