Marschalk rhymes with:
airlock, blackhawk, boardwalk, cornstalk, echohawk, gamecock, goshawk, honestok, jaywalk, kowalke, mohawk, nighthawk, norwalk, poppycock, seahawk, sidewalk, skyhawk, sleepwalk, smalltalk, tomahawk, witbrock
Marschalk sounds like:
marcellus, margolick, margolies, margolis, margulies, margulis, marsalis, marseilles, marshal's, marshall's, marshalls, marshals, marsolek, marszalek, merciless, miracles, miraculous, morsels