inertness vs uneasiness

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 

uneasiness

noun
  • The state of being uneasy, nervous or restless. 

  • An anxious state of mind; anxiety. 

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