Moonbeam rhymes with:
sunbeam, longerbeam, stufflebeam, sunbeam, academe, bireme, bloodstream, daydream, episteme, gulfstream, ice-cream, jetstream, knieriem, longerbeam, mainstream, midstream, nauseam, sidestream, starstream, stufflebeam, sunbeam, woodstream
Moonbeam sounds like:
maben, mabin, mabon, mapfumo, maupin, maven, mayben, maybin, mebane, mfume, mi-vami, minivan, moneypenny, muffin