Millicom's rhymes with:
omnicom's, omnicom's, sitcoms, telecom's, telecoms, telekom's, viacom's, guilliams, iams, omnicom's, pompoms, sitcoms, telecom's, telecoms, telekom's, viacom's
Millicom's sounds like:
malacanang, malaysians, malignancies, malignancy, malloseismic, melching, milken's, milkens, milkens', milking, mulching, mulkins, mulligans