Icefish rhymes with:
goosefish, angelfish, bottomfish, catfish, crawfish, cuttlefish, dealfish, dogfish, flatfish, goldfish, goosefish, guardfish, jellyfish, jewfish, lungfish, needlefish, pipefish, queenfish, redfish, sailfish, shellfish, starfish, sunfish, swordfish, whitefish
Icefish sounds like:
iacobucci, iakovos, icebox, ishibashi