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