Heisbourg rhymes with:
strasbourg, fribourg, luxembourg, richbourg, strasbourg, fribourg, luxembourg, richbourg, strasbourg, barg, bjorge, borg, bosarge, bourg, bridesburg, cherbourg, cyborg, forgue, fribourg, garg, georg, joerg, karg, kharg, labarge, laforge, lundborg, luxembourg, mchargue, meharg, morgue, npr.org, nyborg, org, richbourg, robarge, sorg, strasbourg, trelleborg, willenborg, yekaterinburg
Heisbourg sounds like:
hagberg, hasbro's, hasbrook, hasbrouck, hassebrock, highbrows, hochberg, hockberg, hogberg, housekeepers