Muldoon rhymes with:
cardoon, dune, hamdoon, afternoon, antoon, attune, baboon, balloon, banoun, barloon, bassoon, bethune, boon, boone, broun, bruen, brune, bruun, buffoon, cahoon, calhoon, calhoun, cardoon, cartoon, choon, clune, cocoon, cohoon, contrabassoon, coon, coone, corroon, croon, dekroon, disharoon, dune, festoon, galloon, goon, gruen, hamdoon, harpoon, harroun, heun, hewn, hoon, huntoon, immune, impugn, inopportune, joon, june, karoun, karun, keune, koon, koone, kroon, kuehn, kuehne, kuhn, laffoon, lagoon, lampoon, liqun, loon, magoon, majnoon, maroon, mattoon, mcclune, mccuen, mccune, mckune, mhoon, monsoon, moon, moone, noon, noone, opportune, picayune, platoon, pontoon, poon, prune, raccoon, rangoon, roone, rune, saloon, sassoon, schoon, shoen, soon, spoon, strewn, suen, swoon, terhune, thune, toon, toone, troon, tune, tycoon, typhoon, verboon, viromune, wotherspoon, xiaoyun, yoon
Muldoon sounds like:
malathion, malden, malleton, maulden, mauldin, mealtime, melatonin, meldon, meltdown, melton, militiamen, milton, molden, molten, molton, moulden, moulton, muldowney, multnomah