rabbiteye vs blueberry bush

rabbiteye and blueberry bush both are nouns.

Word	Noun	Adjective	Verb	Adverb
rabbiteye	Yes	No	No	No
blueberry bush	Yes	No	No	No

As nouns, blueberry bush is a hypernym of rabbiteye; that is, blueberry bush is a word with a broader meaning than rabbiteye:

rabbiteye: shrub of southeastern United States grown commercially especially for canning industry
blueberry bush: any of numerous shrubs of the genus Vaccinium bearing blueberries

Other hypernyms of rabbiteye include blueberry.

rabbiteye (noun)	blueberry bush (noun)
shrub of southeastern United States grown commercially especially for canning industry	any of numerous shrubs of the genus Vaccinium bearing blueberries