Here's what rhymes with sulfaphenazole.
whole soul hole sole fol shoal foal thole vole role coal goal pole roll bowl mole poll stole toll knoll dole bole boll kohl tole dolour skoal parole scroll stroll casserole droll troll unroll oriole camisole maypole prole rissole innersole control enroll systole extol vacuole buttonhole cajole petiole condole cubbyhole extoll patrol glycerol bedroll pigeonhole beanpole arteriole decontrol profiterole quadrupole