Weltz rhymes with:
belt's, belts, beltz, celts, feltes, felts, feltz, geltz, keltz, melts, meltz, pelts, peltz, schmeltz, seltz, smeltz, speltz, steltz
Weltz sounds like:
waldeck, waldoch, waldock, wall-tex, wallets, walthose, walts, waltz, waltzes, wealths, weld's, welds, welltech, wields, wilde's, wildes, wilds, wildwoods, willets, willetts, willits, wilts, wiltse, wiltsey, wiltsie, wiltz, woltz