wild hyacinth vs bluebell

wild hyacinth and bluebell both are nouns.

Word	Noun	Adjective	Verb	Adverb
wild hyacinth	Yes	No	No	No
bluebell	Yes	No	No	No

As nouns, wild hyacinth and bluebell are synonyms defined as:

Other synonyms of wild hyacinth include harebell, Hyacinthoides nonscripta, Scilla nonscripta, wood hyacinth.

wild hyacinth (noun)	bluebell (noun)
sometimes placed in genus Scilla	one of the most handsome prairie wildflowers having large erect bell-shaped bluish flowers; of moist places in prairies and fields from eastern Colorado and Nebraska south to New Mexico and Texas
eastern camas; eastern and central North America	perennial of Northern Hemisphere with slender stems and bell-shaped blue flowers
	sometimes placed in genus Scilla