dismay vs fluster

dismay

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

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

  • To render lifeless; to subdue; to disquiet. 

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. 

fluster

verb
  • To be in a heat or bustle; to be agitated and confused. 

  • To confuse; befuddle; throw into panic by making overwrought with confusion. 

noun
  • A state of being flustered; overwrought confusion. 

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