Knocked rhymes with:
blocked, clocked, cocked, concoct, docked, flocked, focht, locked, mocked, overstocked, pocked, restocked, rocked, shocked, socked, stocked, unlocked
Knocked sounds like:
kansas-city, keenest, kenesset, kennecott, kienast, kincade, kincaid, kinkade, kinkead, kinoshita, kinst, kjenstad, knackstedt, knecht, knesset, knight, knighted, knighthood, knockout, knost, knust, kumquat, kunst