Subdiaconate :: Subderivative (n.) A word derived from a derivative, and not directly from the root; as, friendliness is a subderivative, being derived from friendly, which is in turn a derivative from friend..
Subdiaconate :: Subdiaconate (a.) Of or pertaining to a subdeacon, or to the office or rank of a subdeacon..
Zirconate :: Zirconate (n.) A salt of zirconic acid.