equality vs equipoise

equality

noun
  • The fact of being equal. 

  • The equal treatment of people irrespective of social or cultural differences. 

  • The fact of being equal, of having the same value. 

equipoise

noun
  • A counterbalance. 

  • A state of balance; equilibrium. 

verb
  • To act or make to act as an equipoise. 

  • To cause to be or stay in equipoise. 

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