blaeberry vs blueberry

blaeberry and blueberry both are nouns.

Word	Noun	Adjective	Verb	Adverb
blaeberry	Yes	No	No	No
blueberry	Yes	No	No	No

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

blaeberry: erect European blueberry having solitary flowers and blue-black berries
blueberry: any of numerous shrubs of the genus Vaccinium bearing blueberries

Other hypernyms of blaeberry include blueberry bush.

blaeberry (noun)	blueberry (noun)
erect European blueberry having solitary flowers and blue-black berries	sweet edible dark-blue berries of either low-growing or high-growing blueberry plants
	any of numerous shrubs of the genus Vaccinium bearing blueberries