Mongolian rhymes with:
anatolian, holian, holien, napoleon, alien, anatolian, aristotelian, bachailian, balian, chameleon, chilean, dalian, deleon, episcopalian, galleon, galyean, gillian, harpootlian, hegelian, herculean, holian, holien, jillian, julian, julien, karelian, kilian, lilian, lilien, lillian, lilyan, machiavellian, machivellian, mammalian, maximilian, milian, napoleon, orlean, orwellian, raphalian, sicilian, stelian, st_julien, topalian, wesleyan, yulian
Mongolian sounds like:
maccallum, macklem, macklin, maclaine, maclean, maclellan, maclennan, maclin, magallon, magellan, magliano, maglione, masculine, maslen, maslin, mausoleum, mcallen, mcaloon, mccallen, mccallion, mccallon, mccallum, mccaslin, mccauslin, mcclain, mcclaine, mcclam, mcclanahan, mcclane, mcclean, mcclellan, mcclellen, mcclenahan, mcclenny, mcclune, mccluney, mccollam, mccollom, mccollum, mccolm, mccullen, mccullum, mcelhaney, mcelhannon, mcelhany, mcelheney, mcelheny, mcelhiney, mcelhinney, mcelhinny, mcelhone, mcelwain, mcelwaine, mcgillen, mcglaun, mcglinn, mcgloin, mcglone, mcglynn, mcilhenny, mcilwain, mckellan, mclain, mclanahan, mclane, mclean, mclellan, mclennan, mclin, mclinn, mcluhan, mcquillan, mcquillen, mcquillin, mcwilliam, megalomania, mescaline, meshulam, mezzaluna, michaelina, michaeline, michelin, michelina, micheline, michelini, michelman, miglin, miscellany, momigliano, moslem, muslim, muslin, musolino, musselman, mussolini