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