Eupatorium perfoliatum vs thoroughwort

Eupatorium perfoliatum and thoroughwort both are nouns.

Word	Noun	Adjective	Verb	Adverb
Eupatorium perfoliatum	Yes	No	No	No
thoroughwort	Yes	No	No	No

As nouns, Eupatorium perfoliatum and thoroughwort are synonyms defined as:

Eupatorium perfoliatum and thoroughwort: perennial herb of southeastern United States having white-rayed flower heads; formerly used as in folk medicine

Other synonyms of Eupatorium perfoliatum include agueweed, boneset.

Eupatorium perfoliatum (noun)	thoroughwort (noun)
perennial herb of southeastern United States having white-rayed flower heads; formerly used as in folk medicine	perennial herb of southeastern United States having white-rayed flower heads; formerly used as in folk medicine