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