cumfrey vs boneset

cumfrey and boneset both are nouns.

Word	Noun	Adjective	Verb	Adverb
cumfrey	Yes	No	No	No
boneset	Yes	No	No	No

As nouns, boneset is a hyponym of cumfrey; that is, boneset is a word with a more specific, narrower meaning than cumfrey:

cumfrey: perennial herbs of Europe and Iran; make rapidly growing groundcover for shaded areas
boneset: European herb having small white, pink or purple flowers; naturalized as a weed in North America

Other hyponyms of cumfrey include common comfrey, Symphytum officinale.

cumfrey (noun)	boneset (noun)
perennial herbs of Europe and Iran; make rapidly growing groundcover for shaded areas	perennial herb of southeastern United States having white-rayed flower heads; formerly used as in folk medicine
	European herb having small white, pink or purple flowers; naturalized as a weed in North America