coolness vs equilibrium

coolness

noun
  • Indifference; lack of passion or interest. 

  • The state of being cool, i.e. calm. 

  • The state of being cool, i.e. good or pleasing. 

  • The result or product of being cool, i.e. good or pleasing. 

  • The state of being cool, i.e. chilly. 

  • The result or product of being cool, i.e. chilly. 

equilibrium

noun
  • Mental balance. 

  • The condition of a system in which competing influences are balanced, resulting in no net change. 

  • The state of a body at rest or in uniform motion in which the resultant of all forces on it is zero. 

  • The state of a reaction in which the rates of the forward and reverse reactions are the same. 

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