Here's what rhymes with prontosil.
mucosal Words that almost rhyme with prontosil
bowlful social sociale woeful unsocial proposal antisocial prosocial asocial ambrosial nonsocial disposal psychosocial total postal tonal local noble coastal focal mobile vocal modal nodal foetal motile zonal boastful doleful atonal mogul yodel global hopeful anecdotal coronal immobile clonal ennoble soulful antiphonal chamomile reposeful ignoble calomel mongrel sacerdotal scrotal asphodel monoclonal multimodal polyclonal reproachful synagogal patrimonial