consternation vs foreboding

consternation

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

foreboding

noun
  • A sense of evil to come. 

  • An evil omen. 

adj
  • Of ominous significance; serving as an ill omen; foretelling of harm or difficulty. 

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