edict vs proscription

edict and proscription both are nouns.

Word	Noun	Adjective	Verb	Adverb
edict	Yes	No	No	No
proscription	Yes	No	No	No

As nouns, proscription is a hyponym of edict; that is, proscription is a word with a more specific, narrower meaning than edict:

edict: a legally binding command or decision entered on the court record (as if issued by a court or judge)
proscription: a decree that prohibits something

edict (noun)	proscription (noun)
a legally binding command or decision entered on the court record (as if issued by a court or judge)	rejection by means of an act of banishing or proscribing someone
a formal or authoritative proclamation	a decree that prohibits something