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