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