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