enclave vs dominion

enclave and dominion both are nouns.

Word	Noun	Adjective	Verb	Adverb
enclave	Yes	No	No	No
dominion	Yes	No	No	No

As nouns, dominion is a hypernym of enclave; that is, dominion is a word with a broader meaning than enclave:

enclave: an enclosed territory that is culturally distinct from the foreign territory that surrounds it
dominion: a region marked off for administrative or other purposes

Other hypernyms of enclave include district, territorial dominion, territory.

enclave (noun)	dominion (noun)
an enclosed territory that is culturally distinct from the foreign territory that surrounds it	a region marked off for administrative or other purposes
	dominance or power through legal authority