stinking nightshade vs henbane

stinking nightshade and henbane both are nouns.

Word	Noun	Adjective	Verb	Adverb
stinking nightshade	Yes	No	No	No
henbane	Yes	No	No	No

As nouns, stinking nightshade and henbane are synonyms defined as:

stinking nightshade and henbane: poisonous fetid Old World herb having sticky hairy leaves and yellow-brown flowers; yields hyoscyamine and scopolamine

Other synonyms of stinking nightshade include black henbane, Hyoscyamus niger.

stinking nightshade (noun)	henbane (noun)
poisonous fetid Old World herb having sticky hairy leaves and yellow-brown flowers; yields hyoscyamine and scopolamine	poisonous fetid Old World herb having sticky hairy leaves and yellow-brown flowers; yields hyoscyamine and scopolamine