restive vs untameable

restive

adj
  • Resistant to control; stubborn. 

  • Impatient under delay, duress, or control. 

  • Refusing to move, especially in a forward direction. 

untameable

adj
  • Incapable of being controlled, subdued, or tamed. 

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