Macmillan rhymes with:
mcmillan, mcmillen, mcmillon, mcmillan, mcmillen, mcmillon, mcmillan, mcmillen, mcmillon, mcmillan, mcmillen, mcmillon, millan, millen, millin, millon
Macmillan sounds like:
macmullen, maximilian, mcmillan, mcmillen, mcmillian, mcmillin, mcmillion, mcmillon, mcmullan, mcmullen, mcmullin, muskmelon