Wracking rhymes with:
cracking, racking, tracking, attacking, backing, cracking, hacking, jacking, lacking, packing, racking, sacking, smacking, snacking, stacking, tacking, tracking, unpacking, whacking
Wracking sounds like:
warehousing, wawrzyniak, werking, wirsing, working, workings, workman's, workmen's, worsening, worsens, wreaking, wrecking, wrzesinski