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