cankerweed vs Prenanthes alba

cankerweed and Prenanthes alba both are nouns.

Word	Noun	Adjective	Verb	Adverb
cankerweed	Yes	No	No	No
Prenanthes alba	Yes	No	No	No

As nouns, cankerweed and Prenanthes alba are synonyms defined as:

cankerweed and Prenanthes alba: herb of northeastern North America having drooping clusters of yellowish-white flowers; sometimes placed in genus Prenanthes

Other synonyms of cankerweed include Nabalus alba, white lettuce.

cankerweed (noun)	Prenanthes alba (noun)
herb of northeastern North America having drooping clusters of yellowish-white flowers; sometimes placed in genus Prenanthes	herb of northeastern North America having drooping clusters of yellowish-white flowers; sometimes placed in genus Prenanthes