/ Thesaurus / G Synonyms of gantanol Find synonyms for: Noun1. sulfamethoxazole, Gantanol, sulfa drug, sulfa, sulpha, sulfonamideusage: a sulfonamide (trade name Gantanol) used to treat infections (especially infections of the urinary tract)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: boorish Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language