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