Mcmillin rhymes with:
dillin, geyelin, gillin, guilin, hillin, killin, quillin, skillin, trillin, vanillin, yilin
Mcmillin sounds like:
macmillan, macmullen, maximilian, mcmillan, mcmillen, mcmillian, mcmillion, mcmillon, mcmullan, mcmullen, mcmullin, muskmelon