gazelle hound vs hound

gazelle hound and hound both are nouns.

Word	Noun	Adjective	Verb	Adverb
gazelle hound	Yes	No	No	No
hound	Yes	No	Yes	No

As nouns, hound is a hypernym of gazelle hound; that is, hound is a word with a broader meaning than gazelle hound:

gazelle hound: old breed of tall swift keen-eyed hunting dogs resembling greyhounds; from Egypt and southwestern Asia
hound: any of several breeds of dog used for hunting typically having large drooping ears

Other hypernyms of gazelle hound include hound dog.

gazelle hound (noun)	hound (noun)
old breed of tall swift keen-eyed hunting dogs resembling greyhounds; from Egypt and southwestern Asia	any of several breeds of dog used for hunting typically having large drooping ears
	someone who is morally reprehensible

gazelle hound (verb)	hound (verb)
	pursue or chase relentlessly