ball nightshade vs ball nettle

ball nightshade and ball nettle both are nouns.

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

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

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

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

ball nightshade (noun)	ball nettle (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