bittersweet nightshade vs woody nightshade

bittersweet nightshade and woody nightshade both are nouns.

Word	Noun	Adjective	Verb	Adverb
bittersweet nightshade	Yes	No	No	No
woody nightshade	Yes	No	No	No

As nouns, bittersweet nightshade and woody nightshade are synonyms defined as:

bittersweet nightshade and woody nightshade: poisonous perennial Old World vine having violet flowers and oval coral-red berries; widespread weed in North America

Other synonyms of bittersweet nightshade include bittersweet, climbing nightshade, deadly nightshade, poisonous nightshade, Solanum dulcamara.

bittersweet nightshade (noun)	woody nightshade (noun)
poisonous perennial Old World vine having violet flowers and oval coral-red berries; widespread weed in North America	poisonous perennial Old World vine having violet flowers and oval coral-red berries; widespread weed in North America