Here's what rhymes with laminarian.
carrion ovarian clarion sanitarian agrarian sectarian seminarian cnidarian librarian barbarian antiquarian libertarian trinitarian octogenarian nonsectarian centenarian nonagenarian vulgarian humanitarian utilitarian egalitarian proletarian totalitarian vegetarian veterinarian authoritarian communitarian disciplinarian parliamentarian latitudinarian sexagenarian septuagenarian valetudinarian Words that almost rhyme with laminarian
barium chameleon honorarium sanitarium aquarium planetarium vivarium nobelium ferryman ferrymen lesbian thespian equestrian vestrymen vestryman pedestrian