Here's what rhymes with guanidinothiazole.
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 systole casserole droll troll prole rissole enroll extol vacuole cajole petiole unroll oriole cubbyhole maypole extoll innersole patrol glycerol buttonhole bedroll condole camisole control arteriole decontrol pigeonhole beanpole profiterole quadrupole