Halibut rhymes with:
celebate, celebate, abbot, abbott, cabot, celebate, celibate, garbutt, habit, hurlbut, hurlbutt, inhabit, inhibit, jackrabbit, kabat, kubat, marbut, nisbet, orbit, prohibit, rabbit, sherbet, talbot, talbott
Halibut sounds like:
halfwit, halved, hayloft, helped, hlavaty