Millions rhymes with:
billions, brazilians, civilians, hillians, jillions, pavilions, reptilians, trillions, zillions, australians, battalions, billions, brazilians, civilians, hillians, italians, jillions, medallions, pavilions, rebellion's, rebellions, reptilians, scallions, somalians, stallions, trillions, zillions
Millions sounds like:
mailing, mailings, malamugi, malanga, malanowski, malinak, malinoski, malinowski, malinski, malone's, mealing, mealynose, mehling, mei-ling, melange, meling, melling, melloan's, mellon's, mellons, mellowing, melnick, melnik, melnyk, melons, milan's, milanowski, millenniums, milling, milnes, milonas, moholy-nagy, molineaux, molonicks, molyneaux, moneyline's, moulinex, mulanax, mullenax, mullenix, mullens, mullinax, mullineaux, mulling, mullings, mullinix, mullins, mulnix