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