agueweed vs five-flowered gentian

agueweed and five-flowered gentian both are nouns.

Word	Noun	Adjective	Verb	Adverb
agueweed	Yes	No	No	No
five-flowered gentian	Yes	No	No	No

As nouns, agueweed and five-flowered gentian are synonyms defined as:

agueweed and five-flowered gentian: gentian of eastern North America having clusters of bristly blue flowers

Other synonyms of agueweed include ague weed, Gentiana quinquefolia, Gentianella quinquefolia, stiff gentian.

agueweed (noun)	five-flowered gentian (noun)
gentian of eastern North America having clusters of bristly blue flowers	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