Symphytum officinale vs boneset

Symphytum officinale and boneset both are nouns.

Word	Noun	Adjective	Verb	Adverb
Symphytum officinale	Yes	No	No	No
boneset	Yes	No	No	No

As nouns, Symphytum officinale and boneset are synonyms defined as:

Symphytum officinale and boneset: European herb having small white, pink or purple flowers; naturalized as a weed in North America

Other synonyms of Symphytum officinale include common comfrey.

Symphytum officinale (noun)	boneset (noun)
European herb having small white, pink or purple flowers; naturalized as a weed in North America	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