Disinvestiture :: Disinvestiture (n.) The act of depriving of investiture.
Divestiture :: Divestiture (n.) The act of stripping, or depriving; the state of being divested; the deprivation, or surrender, of possession of property, rights, etc..
Investiture :: Investiture (n.) The act or ceremony of investing, or the of being invested, as with an office; a giving possession; also, the right of so investing..