interdiction vs proscription

interdiction and proscription both are nouns.

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

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

interdiction: a court order prohibiting a party from doing a certain activity
proscription: a decree that prohibits something

Other hypernyms of interdiction include court order, ban, prohibition.

interdiction (noun)	proscription (noun)
authoritative prohibition	rejection by means of an act of banishing or proscribing someone
a court order prohibiting a party from doing a certain activity	a decree that prohibits something