Copperhead rhymes with:
figurehead, letterhead, loggerhead, riverhead, weatherhead, airhead, arrowhead, bankhead, beachhead, blockhead, bridgehead, broadhead, brodhead, bulkhead, bullhead, butthead, cadenhead, craghead, craighead, deadhead, dragonhead, drumhead, egghead, figurehead, flathead, godhead, hardhead, hollingshead, hollinshead, hollyhead, horsehead, lawhead, letterhead, lochhead, loggerhead, marblehead, masthead, moorehead, moorhead, moosehead, mothershead, muirhead, redhead, riverhead, roundhead, shithead, skinhead, spearhead, steelhead, thickhead, trailhead, warhead, weatherhead, wellhead, whitehead, woodhead
Copperhead sounds like:
cabaret, cafferty, capehart, capriati, capriotti, cavort, chauffeured, chessboard, chevrette, chipboard, cobert, cooperate, cooperated, copywrite, copywrited, covered, covert, cowperthwaite, cupboard, cypert, cyphert, cypriot