ague grass vs colicroot

ague grass and colicroot both are nouns.

Word	Noun	Adjective	Verb	Adverb
ague grass	Yes	No	No	No
colicroot	Yes	No	No	No

As nouns, colicroot is a hypernym of ague grass; that is, colicroot is a word with a broader meaning than ague grass:

ague grass: colicroot having a scurfy or granuliferous perianth and white flowers; southeastern United States
colicroot: any of several perennials of the genus Aletris having grasslike leaves and bitter roots reputed to cure colic

Other hypernyms of ague grass include colic root, crow corn, star grass, unicorn root.

ague grass (noun)	colicroot (noun)
colicroot having a scurfy or granuliferous perianth and white flowers; southeastern United States	any of several perennials of the genus Aletris having grasslike leaves and bitter roots reputed to cure colic