consternation vs equanimity

consternation

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

equanimity

noun
  • The state of being calm, stable and composed, especially under stress. 

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