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