dismay vs prove

dismay

verb
  • To render lifeless; to subdue; to disquiet. 

  • To take dismay or fright; to be filled with dismay. 

  • To cause to feel apprehension; great sadness, or fear; to deprive of energy 

noun
  • A sudden or complete loss of courage and firmness in the face of trouble or danger; overwhelming and disabling terror; a sinking of the spirits 

  • Condition fitted to dismay; ruin. 

prove

verb
  • To turn out; to manifest. 

  • To demonstrate that something is true or viable; to give proof for. 

  • To put to the test, to make trial of. 

  • To ascertain or establish the genuineness or validity of; to verify. 

  • To determine by experiment which effects a substance causes when ingested. 

  • simple past tense of proove 

  • To turn out to be. 

noun
  • The process of dough proofing. 

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