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