Here's what rhymes with pseudoneoplastic.
                        
                        
                    
                                plastic  drastic  neoplastic  aplastic  elastic  clastic  mastic  dynastic  spastic  thermoplastic  periphrastic  fantastic  monastic  scholastic  inelastic  sarcastic  stochastic  gymnastic  hyperplastic  hypoplastic  bombastic  orgiastic  nonelastic  enthusiastic  ecclesiastic  iconoclastic  viscoelastic  interscholastic  unenthusiastic  overenthusiastic  Words that almost rhyme with pseudoneoplastic
lactic  traffic  classic  tragic  gastric  frantic  erratic  tactic  slapstick  dramatic  magic  romantic  static  fabric  gigantic  graphic  hepatic  panic  thoracic  traumatic  didactic  manic  rheumatic  synaptic  asthmatic  galactic  operatic  pedantic  phallic  transatlantic  pelagic  tannic  theocratic  neoclassic  tyrannic  malefic  matchstick  priapic  democratic  dynamic  organic  automatic  geographic  metallic  semantic  aromatic  ceramic  climatic  dogmatic  emphatic  pragmatic  somatic  thematic  autocratic  barbaric  catholic  lymphatic  pneumatic  prostatic  sporadic  aliphatic  chromatic  climactic  fanatic  geriatric  ophthalmic  presynaptic  prismatic  thalamic  anaphylactic  italic  satanic  spermatic  splanchnic  syllabic  titanic  acrobatic  unromantic  ataxic  botanic  undramatic  apparatchik  baldric  aerobatic  diplomatic  aristocratic  bureaucratic  demographic  pancreatic  schematic  volcanic  ecstatic  mechanic  metastatic  nomadic  oceanic  pediatric  prophylactic  axiomatic  cephalic  emblematic  galvanic  glutamic  melodramatic  panoramic  pornographic  topographic  tympanic  achromatic  angiographic  heraldic  idiomatic  magmatic  muriatic  phlegmatic  technocratic  undemocratic  antidemocratic  bimetallic  chiropractic  paediatric  astigmatic  biographic  choreographic  disyllabic  intergalactic  osteopathic  panchromatic  plutocratic  polysyllabic  stigmatic  thermostatic  nondramatic  unemphatic  systematic  problematic  psychiatric  inorganic  photographic  charismatic  cytoplasmic  enigmatic  enzymatic  ethnographic  hemorrhagic  hydrostatic  thermodynamic  cinematic  endoplasmic  kinematic  messianic  monochromatic  nostalgic  postsynaptic  programmatic  telegraphic  cartographic  diagrammatic  haemorrhagic  holographic  homeostatic  intrahepatic  intrathoracic  lithographic  monosyllabic  orthographic  orthostatic  psychopathic  tomographic  zygomatic  epigrammatic  isobaric  nonmetallic  schismatic  stenographic  typographic  anticlimactic  calligraphic  meritocratic  nondemocratic  numismatic  semiautomatic  sycophantic  phonographic  photostatic  undiplomatic  symptomatic  hypothalamic  radiographic  aerodynamic  bibliographic  paradigmatic  stratigraphic  diaphragmatic  iconographic  posttraumatic  protoplasmic  unproblematic  unsystematic  oceanographic  autobiographic  transoceanic  xerographic  unidiomatic  homoeostatic  asymptomatic  electrostatic  idiosyncratic  chromatographic  hemodynamic  hydrodynamic  psychodynamic  psychosomatic  cinematographic  seismographic  crystallographic  lexicographic  electrocardiographic  electroencephalographic