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