Waldheim rhymes with:
sondheim, sundheim, windheim, anaheim, blenheim, durkheim, guggenheim, guggenheim's, hochenheim, ingelheim, kuenheim, nesheim, opheim, oppenheim, solheim, sondheim, straszheim, sundheim, warehime, werdesheim, windheim, wineheim
Waldheim sounds like:
walden, waldman, waldmann, waldon, waltham, waltman, walton, welden, weldin, weldon, weltman, welton, wheeldon, whelton, whilden, wildeman, wilden, wildman, wildmon, wildon, willden, wilton, wolden, woltman