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