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