/ Thesaurus / P Synonyms of polygala alba Find synonyms for: Noun1. senega, Polygala alba, milkwortusage: perennial bushy herb of central and southern United States having white flowers with green centers and often purple crest; similar to Seneca snakerootWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language