ban vs interdict

ban and interdict both are nouns.

Word	Noun	Adjective	Verb	Adverb
ban	Yes	No	Yes	No
interdict	Yes	No	Yes	No

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

As verbs, interdict is a hypernym of ban; that is, interdict is a word with a broader meaning than ban:

Other hypernyms of ban include disallow, forbid, nix, prohibit, proscribe, veto.

ban (noun)	interdict (noun)
a decree that prohibits something	an ecclesiastical censure by the Roman Catholic Church withdrawing certain sacraments and Christian burial from a person or all persons in a particular district
an official prohibition or edict against something	a court order prohibiting a party from doing a certain activity
100 bani equal 1 leu in Romania
100 bani equal 1 leu in Moldova
a logarithmic unit which measures information or entropy, based on base 10 logarithms and powers of 10.

ban (verb)	interdict (verb)
prohibit especially by legal means or social pressure	command against
forbid the public distribution of (a movie or a newspaper)	destroy by firepower, such as an enemy's line of communication
expel from a community or group
ban from a place of residence, as for punishment