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