Mononuclear rhymes with:
nuclear, thermonuclear, nuclear, thermonuclear, cochlear, likelier, nuclear, thermonuclear, bollier, boulier, bouthillier, boutilier, brallier, caillier, callier, charlier, chillier, cochlear, colier, collyer, colyer, costlier, cuvelier, deadlier, earlier, friendlier, fuselier, gallier, hellyer, hillier, hillyer, hilyer, holier, hollier, jollier, lallier, langelier, letellier, likelier, livelier, montpelier, nuclear, parlier, sadlier, salyer, sillier, soulier, tellier, thermonuclear, tullier, uglier, vallier
Mononuclear sounds like:
mackellar, mackler, mankiller, mcaleer, mcclary, mccleary, mccleery, mcclory, mccluer, mcclure, mccullar, mcculler, mcelroy, mcglory, mcilroy, mckellar, mckeller, mclaury, mclear, mcleary, mcleroy, mclure, mechler, meckler, meisler, mescalero, mesler, messler, michler, mickler, migliore, minckler, minkler, mischler, mishler, missler, mockler, mosler, muckleroy, muscular