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