Petticoat rhymes with:
callicoat, chilcoat, chilcote, fivecoat, hathcoat, jefcoat, liddicoat, malicoat, overcoat, raincoat, redcoat, turncoat, undercoat, wescoat
Petticoat sounds like:
padget, padgett, padgitt, patched, patchett, patuxet, pawtucket, pawtuxet, pitched, podesta, potshot, potthast