equitability vs isonomia

equitability

noun
  • The quality of being equitable; equitableness. 

  • The extent of the representation by equal numbers of individuals of the different species of a given community. 

isonomia

noun
  • Equality before the law; possession of equal rights; equal distribution of rights and privileges. 

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