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