ball nettle vs ball nightshade

ball nettle and ball nightshade both are nouns.

Word	Noun	Adjective	Verb	Adverb
ball nettle	Yes	No	No	No
ball nightshade	Yes	No	No	No

As nouns, ball nettle and ball nightshade are synonyms defined as:

ball nettle and ball nightshade: coarse prickly weed having pale yellow flowers and yellow berrylike fruit; common throughout southern and eastern United States

Other synonyms of ball nettle include bull nettle, horse nettle, Solanum carolinense.

ball nettle (noun)	ball nightshade (noun)
coarse prickly weed having pale yellow flowers and yellow berrylike fruit; common throughout southern and eastern United States	coarse prickly weed having pale yellow flowers and yellow berrylike fruit; common throughout southern and eastern United States