Hathcoat rhymes with:
callicoat, chilcoat, chilcote, fivecoat, jefcoat, liddicoat, malicoat, overcoat, petticoat, raincoat, redcoat, turncoat, undercoat, wescoat
Hathcoat sounds like:
hatched, hatchet, hatchett, headset, heathcote, hedged, hedquist, hitched, hitchhiked, hot-shot, hotshot, hottest