What's the difference between quiddit and quiddity?

Quiddit

Definition:

Example Sentences:

Definition:

(n.) The essence, nature, or distinctive peculiarity, of a thing; that which answers the question, Quid est? or, What is it?
(n.) A trifling nicety; a cavil; a quibble.

Example Sentences:

(1) And they felt that baking said much about Britain and its regional quiddities, from Dundee cakes to bara brith to Bakewell tarts.
(2) Poster banadvertsonitv said: "ITV show once again what a bunch of amateurs they really are," while quidditys_shore complained: "The one thing you don't want to mess up and ITV do it big time."
(3) The argument usually made against buying humans is one of dignity, but I think what you'd lose is not dignity but quiddity: you have no essential self if you can be bartered in a market of your own creation, measured up alongside a speedboat (and, guttingly, worth a lot less).
(4) Nonetheless, in the quiddity of the Jedi you can see a director who was alive to the change in the political culture and its profound but rarely discussed shifts.