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