Hadler rhymes with:
nadler, radler, schadler, beidler, candler, fiddler, fidler, girdler, heidler, hochstedler, hudler, hufstedler, hurdler, idler, kindler, knoedler, kreidler, nadler, needler, radler, saddler, schadler, schaedler, schedler, scheidler, shideler, shidler, sidler, spindler, sudler, swindler, weidler, zeidler
Hadler sounds like:
hatler, heidler, hettler, hitler, hotelier, hudler