Fedorko rhymes with:
dorko, dorko, minorco, norco, porco, airco, amerco, anadarko, arco, arko, asarco, barco, barko, barkow, calarco, chirco, comarco, darco, delbarco, demarco, dimarco, dorko, giammarco, marco, marcoe, marko, markow, minorco, moorco, narco, norco, porco, sammarco, tierco, trimarco, uarco, varco
Fedorko sounds like:
father's, fathers, fathers', feathers, features, fedders, fedders's, federica, federici, federico, fedorchak, fedrick, feeders, fetters, fidora's, footrace, footwork, future's, futures, futures', fyodor's