inertia vs stupor

inertia

noun
  • Lack of activity; sluggishness; said especially of the uterus, when, in labour, its contractions have nearly or wholly ceased. 

  • In a person, unwillingness to take action. 

  • The property of a body that resists any change to its uniform motion; equivalent to its mass. 

stupor

noun
  • A state of extreme apathy or torpor resulting often from stress or shock. 

  • A state of greatly dulled or completely suspended consciousness or sensibility; (particularly medicine) a chiefly mental condition marked by absence of spontaneous movement, greatly diminished responsiveness to stimulation, and usually impaired consciousness. 

verb
  • To place into a stupor; to stupefy. 

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