The Collaborative International Dictionary
Supremity
Supremity \Su*prem"i*ty\, n. [Cf. LL. supremitas.]
Supremacy. [Obs.]
--Fuller.
Wiktionary
supremity
n. (context archaic English) supremacy.
Usage examples of "supremity".
His Supremity, and in consequence more or less deferred to by even the Service.
I says, no, I thought not, as Your Supremity had been in there reading.
His Supremity was complaining to me it was that stifling in the library it pretty near made him sick.
Your Supremity, I am sure I speak for all of us when I say that the gentleman on the bell is welcome to hammer at it all night, if that will relieve his feelings.