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