whortleberry vs bilberry

whortleberry and bilberry both are nouns.

Word	Noun	Adjective	Verb	Adverb
whortleberry	Yes	No	No	No
bilberry	Yes	No	No	No

As nouns, whortleberry and bilberry are synonyms defined as:

whortleberry and bilberry: blue-black berries similar to American blueberries

Other synonyms of whortleberry include European blueberry.

As nouns, whortleberry and bilberry are synonyms defined as:

whortleberry and bilberry: erect European blueberry having solitary flowers and blue-black berries

Other synonyms of whortleberry include blaeberry, Viccinium myrtillus, whinberry.

whortleberry (noun)	bilberry (noun)
blue-black berries similar to American blueberries	blue-black berries similar to American blueberries
erect European blueberry having solitary flowers and blue-black berries	erect blueberry of western United States having solitary flowers and somewhat sour berries
	erect European blueberry having solitary flowers and blue-black berries