Assailing rhymes with:
sailing, saling, ailing, ayling, bailing, baling, curtailing, derailing, detailing, emailing, entailing, failing, flailing, grayling, hailing, impaling, inhaling, jailing, mailing, nailing, prevailing, railing, regaling, sailing, saling, scaling, surveilling, tailing, trailing, unavailing, unfailing, unveiling, veiling, wailing, whaling
Assailing sounds like:
acclaim's, acclaiming, acclaims, aisling, aqualung