ague weed vs Gentiana quinquefolia

ague weed and Gentiana quinquefolia both are nouns.

Word	Noun	Adjective	Verb	Adverb
ague weed	Yes	No	No	No
Gentiana quinquefolia	Yes	No	No	No

As nouns, ague weed and Gentiana quinquefolia are synonyms defined as:

ague weed and Gentiana quinquefolia: gentian of eastern North America having clusters of bristly blue flowers

Other synonyms of ague weed include agueweed, five-flowered gentian, Gentianella quinquefolia, stiff gentian.

ague weed (noun)	Gentiana quinquefolia (noun)
gentian of eastern North America having clusters of bristly blue flowers	gentian of eastern North America having clusters of bristly blue flowers