Amnesia :: Amnesia (n.) Forgetfulness; also, a defect of speech, from cerebral disease, in which the patient substitutes wrong words or names in the place of those he wishes to employ..
Amnesic :: Amnesic (a.) Of or pertaining to amnesia.
Amnesty :: Amnesty (v.) Forgetfulness; cessation of remembrance of wrong; oblivion.
Amnesty :: Amnesty (v.) An act of the sovereign power granting oblivion, or a general pardon, for a past offense, as to subjects concerned in an insurrection..