inertness vs stupefaction

inertness

noun
  • Absence of the power of self-motion; inertia. 

  • Quality of being unreactive with other chemical compounds or elements. 

  • Lack of activity or exertion; habitual indisposition to action or motion 

stupefaction

noun
  • A state of insensibility; stupor. 

  • The state of extreme shock or astonishment. 

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