Sunfish rhymes with:
queenfish, angelfish, bottomfish, catfish, crawfish, cuttlefish, dealfish, dogfish, flatfish, goldfish, goosefish, guardfish, icefish, jellyfish, jewfish, lungfish, needlefish, pipefish, queenfish, redfish, sailfish, shellfish, starfish, swordfish, whitefish
Sunfish sounds like:
sambuca, schnapps, schoenbeck, schoenhof's, shambaugh, shampoos, signifies, simba's, sinopec, snafus, snaps, sniffs, snipes, snips, snobbish, snobs, snubs, snuffs, sosnoff's, succumbs, sunobe's, swamps, symbiosis, synapse, synapses, synopsis, synovus