/ Thesaurus / B Synonyms of benzoate of soda Find synonyms for: Noun1. benzoate of soda, sodium benzoate, benzoateusage: a white crystalline salt used as a food preservative and antisepticWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sumptuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language