/ Thesaurus / I Synonyms of isopyrum Find synonyms for: Noun1. Isopyrum, genus Isopyrum, magnoliid dicot genususage: tufted perennial herbs of northern hemisphereWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language