dismay vs disturb

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. 

disturb

verb
  • to have a negative emotional impact; to cause emotional distress or confusion. 

  • to divert, redirect, or alter by disturbing. 

  • to confuse a quiet, constant state or a calm, continuous flow, in particular: thoughts, actions or liquids. 

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