Here's what rhymes with zwitterionic.
                        
                        
                    
                                ionic  tonic  chorionic  sonic  conic  phonic  bionic  chronic  harmonic  ironic  iconic  sardonic  laconic  daemonic  avionic  embryonic  tectonic  colonic  demonic  mnemonic  histrionic  platonic  polyphonic  diatonic  telephonic  supersonic  diachronic  ganglionic  hypertonic  isotonic  monotonic  planktonic  symphonic  catatonic  subsonic  stereophonic  infrasonic  philharmonic  acetonic  electronic  hegemonic  ultrasonic  synchronic  hydroponic  monophonic  quadraphonic  quadrophonic  pathognomonic  architectonic  microelectronic  Words that almost rhyme with zwitterionic
comic  atomic  genomic  autonomic  diatomic  agronomic  ergonomic  economic  anatomic  subatomic  taxonomic  uneconomic  gastronomic  astronomic  tragicomic  socioeconomic  macroeconomic  microeconomic  logic  topic  periodic  folic  gothic  boric  iambic  hayrick  rollick  cosmic  patriotic  toxic  aortic  aquatic  chaotic  erotic  garlic  caustic  narcotic  idiotic  tropic  atopic  biotic  euphoric  formic  frolic  gnostic  karmic  meiotic  myopic  robotic  bardic  cirrhotic  vitriolic  seraphic  carsick  apostolic  exotic  neurotic  biologic  caloric  despotic  diastolic  episodic  geologic  melodic  psychotic  ascorbic  carbolic  necrotic  parabolic  phenolic  pyloric  semiotic  spasmodic  agnostic  anarchic  anoxic  basaltic  cathodic  dialogic  lethargic  meteoric  nephrotic  polymorphic  prosodic  sclerotic  bucolic  diabolic  acrostic  ecologic  heartsick  rhapsodic  strophic  allegoric  subtopic  theosophic  chopstick  placekick  diagnostic  historic  symbolic  alcoholic  metabolic  antibiotic  hydraulic  philosophic  hypnotic  isotropic  neurologic  pathologic  prognostic  systolic  etiologic  hyperbolic  isotopic  metaphoric  symbiotic  synoptic  yardstick  anabolic  cathartic  nontoxic  oligarchic  orthodontic  pedagogic  telescopic  thrombotic  antarctic  demagogic  folkloric  hierarchic  homoerotic  unpatriotic  gyroscopic  workaholic  nonnarcotic  subtropic  aetiologic  shambolic  chocoholic  shopaholic  chocaholic  horologic  physiologic  prehistoric  catastrophic  histologic  philanthropic  anisotropic  endoscopic  metamorphic  morphologic  psychologic  hematologic  melancholic  peristaltic  quixotic  stereoscopic  arthroscopic  xenophobic  misanthropic  subarctic  sophomoric  haematologic  noncaloric  gynaecologic  seismologic  astronautic  microscopic  hydrochloric  cytotoxic  macroscopic  atherosclerotic  epidemiologic  immunologic  pharmacologic  spectroscopic  gynecologic  psychotropic  bacteriologic  fluoroscopic  kaleidoscopic  microcosmic  antispasmodic  stroboscopic  macrobiotic  posthypnotic  meteorologic  anthropomorphic  nonalcoholic  submicroscopic  electroscopic