Overload rhymes with:
boatload, carload, caseload, download, payload, planeload, shipload, truckload, workload, anode, boatload, borrowed, carload, caseload, cathode, copycode, crossroad, diode, download, eckenrode, elbowed, episode, inroad, microcode, mustachioed, nematode, patnode, payload, planeload, radioed, railroad, rexroad, richaud, shipload, tiptoed, torpedoed, truckload, unitrode, winnowed, workload
Overload sounds like:
overhauled, overholt, overlaid, overloaded, overruled