Criss-cross rhymes with:
across, cros, cross, hot-cross, krause, krausse, kross, la-crosse, lacross, lacrosse, recross
Criss-cross sounds like:
carjacker's, carjackers, caseworkers, chargers, chargeurs, churchgoers, coworkers, crackerjack, crackers, crisscross, crocker's, cruiser's, cruisers, crushers