American bugbane vs summer cohosh

American bugbane and summer cohosh both are nouns.

Word	Noun	Adjective	Verb	Adverb
American bugbane	Yes	No	No	No
summer cohosh	Yes	No	No	No

As nouns, American bugbane and summer cohosh are synonyms defined as:

American bugbane and summer cohosh: bugbane of the eastern United States having erect racemes of white flowers

Other synonyms of American bugbane include Cimicifuga americana.

American bugbane (noun)	summer cohosh (noun)
bugbane of the eastern United States having erect racemes of white flowers	bugbane of the eastern United States having erect racemes of white flowers