/ Thesaurus / P Synonyms of polygonum fagopyrum Find synonyms for: Noun1. buckwheat, Polygonum fagopyrum, Fagopyrum esculentum, herb, herbaceous plantusage: a member of the genus Fagopyrum; annual Asian plant with clusters of small pinkish white flowers and small edible triangular seeds which are used whole or ground into flourWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language