/ Thesaurus / C Synonyms of clubroot fungus Find synonyms for: Noun1. clubroot fungus, Plasmodiophora brassicae, fungususage: a fungus resembling slime mold that causes swellings or distortions of the roots of cabbages and related plantsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language