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