Niles rhymes with:
nilles, ailes, aisles, biles, briles, byles, carlyle's, chiles, compiles, diles, files, giles, guiles, gyles, hiles, iles, illes, isles, jiles, kyle's, kyles, liles, lyle's, lyles, miles, myles, nilles, piles, pyle's, pyles, rials, riles, ryles, seils, sheils, skiles, skyles, smiles, stiles, styles, tiles, tilles, viles, weil's, weill's, whiles, wiles, willes, wyles
Niles sounds like:
nails, nalco, nalls, nameless, neal's, nealis, neels, nehls, neil's, neils, nelles, nellis, nels, newell's, newhall's, niels, nilges, nilles, nils, noel's, nolasco, noles, nolls, nowels, nylex