consternation vs incredulity

consternation

noun
  • Amazement or horror that confounds the faculties, and incapacitates for reflection; terror, combined with amazement; dismay. 

incredulity

noun
  • Unwillingness or inability to believe; doubt about the truth or verisimilitude of something; disbelief. 

  • Religious disbelief, lack of faith. 

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