Here's what rhymes with positivistic.
                        
                        
                    
                                cystic  mystic  ballistic  theistic  sophistic  artistic  holistic  statistic  autistic  dualistic  logistic  sadistic  atheistic  fatalistic  hedonistic  juristic  patristic  aphoristic  realistic  optimistic  stylistic  heuristic  idealistic  journalistic  nationalistic  pessimistic  opportunistic  rationalistic  socialistic  synergistic  animistic  egoistic  monistic  pantheistic  polycystic  syllogistic  cannibalistic  chauvinistic  egotistic  shamanistic  surrealistic  voyeuristic  feudalistic  casuistic  nepotistic  puristic  antagonistic  unrealistic  humanistic  mechanistic  monopolistic  naturalistic  probabilistic  simplistic  altruistic  capitalistic  moralistic  paternalistic  pluralistic  relativistic  ritualistic  futuristic  legalistic  monotheistic  novelistic  eulogistic  polytheistic  euphemistic  inartistic  jingoistic  pugilistic  belletristic  overoptimistic  linguistic  deterministic  materialistic  anachronistic  narcissistic  communistic  characteristic  individualistic  imperialistic  impressionistic  militaristic  oligopolistic  universalistic  spiritualistic  expressionistic  uncharacteristic  sociolinguistic  Words that almost rhyme with positivistic
flyspeck  civic  acidic  citric  lipstick  pacific  physic  cynic  lytic  thymic  dipstick  diptych  sylphic  specific  critic  lyric  terrific  mimic  mythic  parasitic  picnic  cryptic  elliptic  arthritic  lithic  gimmick  saprophytic  triptych  periwig  nitpick  zoophytic  analytic  clinic  rhythmic  apocalyptic  catalytic  hemolytic  acrylic  ecliptic  granitic  horrific  hydrophilic  idyllic  limbic  paralytic  rabbinic  satiric  syphilitic  basophilic  haemolytic  hydrolytic  metaphysic  porphyritic  arrhythmic  nephritic  pinprick  philippic  juridic  nonspecific  prolific  dendritic  hemispheric  phenotypic  proteolytic  empiric  honorific  impolitic  unspecific  bulimic  pantomimic  transpacific  cenobitic  bromidic  scientific  intrinsic  extrinsic  monolithic  antiarrhythmic  carboxylic  eosinophilic  neolithic  thrombolytic  antisemitic  patronymic  stratospheric  hermaphroditic  palaeolithic  encephalitic  polyclinic  nonrhythmic  psychoanalytic  logarithmic  electrolytic  unscientific  algorithmic  cataclysmic  fibrinolytic  hieroglyphic  organismic  megalithic  paleolithic  coenobitic  nonscientific