Macmullen rhymes with:
mcmullan, mcmullin, mcmullan, mcmullin, mcmullan, mcmullin, mcmullan, mcmullin, mullan, mullane, mullen, smullen
Macmullen sounds like:
macmillan, maximilian, mcmillan, mcmillen, mcmillian, mcmillin, mcmillion, mcmillon, mcmullan, mcmullen, mcmullin, muskmelon