/ Thesaurus / C Synonyms of cimicifuga americana Find synonyms for: Noun1. American bugbane, summer cohosh, Cimicifuga americana, bugbaneusage: bugbane of the eastern United States having erect racemes of white flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: torrid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language