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