Impaling rhymes with:
ailing, assailing, ayling, bailing, baling, curtailing, derailing, detailing, emailing, entailing, failing, flailing, grayling, hailing, inhaling, jailing, mailing, nailing, prevailing, railing, regaling, sailing, saling, scaling, surveilling, tailing, trailing, unavailing, unfailing, unveiling, veiling, wailing, whaling
Impaling sounds like:
imbalance, imbalances, implying, inflames, inflaming, influence, influences, influenza