agueweed vs Eupatorium perfoliatum

agueweed and Eupatorium perfoliatum both are nouns.

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

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

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

Other synonyms of agueweed include boneset, thoroughwort.

agueweed (noun)	Eupatorium perfoliatum (noun)
gentian of eastern North America having clusters of bristly blue flowers	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