Here's what rhymes with bisellium.
nobelium Words that almost rhyme with bisellium
barium ovarian carrion chameleon vivarium aquarium clarion honorarium agrarian barbarian sectarian sanitarium vulgarian librarian libertarian vegetarian trinitarian planetarium sanitarian seminarian cnidarian authoritarian utilitarian egalitarian proletarian totalitarian antiquarian disciplinarian veterinarian octogenarian centenarian nonsectarian nonagenarian sexagenarian humanitarian communitarian parliamentarian latitudinarian septuagenarian valetudinarian fermium gentium proscenium requiem technetium biennium millennium lutetium lawrencium compendium endometrium quadrennium