proscription vs decree

proscription and decree both are nouns.

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

As nouns, decree is a hypernym of proscription; that is, decree is a word with a broader meaning than proscription:

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

Other hypernyms of proscription include edict, fiat, order, rescript.

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

proscription (verb)	decree (verb)
	decide with authority
	issue a decree