isonomy

Isonomy, ī-son′o-mi, n. equal law, rights, or privileges.

Perceiving a molecular isonomy between them and the inorganic compounds of the metals from which they may be formed, he saw their true molecular type in the oxygen, sulphur or chlorine compounds of those metals, from which he held them to be derived by the substitution of an organic group for the oxygen, sulphur, &c.

But it's possible that you are wondering what    May have happened to Farmer Brown, And the old gray crock of Isonomy stock    Who was backed by the sharps from town.

And the whisper grew and the whisper flew    That she came of Isonomy stock.

She was a genuine democrat; and nothing short of the pure isonomy of the Greeks was tolerated in her political philosophy, though she could not have told what such a word had meant for her life.