Here's what rhymes with heptametric.
                        
                        
                    
                                metric  geometric  symmetric  diametric  asymmetric  parametric  isometric  barometric  econometric  obstetric  photometric  thermometric  volumetric  psychometric  colorimetric  radiometric  cliometric  nonparametric  stoichiometric  trigonometric  Words that almost rhyme with heptametric
genetic  generic  domestic  kinetic  acetic  pathetic  ascetic  ferric  phonetic  centric  emetic  turmeric  derrick  hermetic  medic  fetich  paregoric  electric  magnetic  poetic  authentic  prophetic  athletic  diabetic  dielectric  pelvic  angelic  concentric  cosmetic  numeric  relic  septic  apathetic  aseptic  cleric  enteric  hectic  peptic  polemic  technic  allelic  benthic  empathetic  eutectic  frenetic  isomeric  pandemic  sceptic  steric  chimeric  dietetic  geodetic  acerbic  pectic  gametic  parenthetic  bathetic  aesthetic  sympathetic  arithmetic  energetic  epidemic  synthetic  dialectic  eccentric  endemic  majestic  epileptic  esoteric  esthetic  forensic  diuretic  phylogenetic  prosthetic  cybernetic  monomeric  ontogenetic  phrenic  pyogenic  skeptic  tartaric  totemic  anorexic  geocentric  geodesic  anorectic  antithetic  lovesick  paramedic  splenetic  irenic  redbrick  unaesthetic  unauthentic  nonelectric  phrenetic  academic  atmospheric  anesthetic  antigenic  antiseptic  apologetic  eclectic  epistemic  ischemic  mesenteric  pathogenic  alphabetic  anaesthetic  photoelectric  splenic  transgenic  biogenic  egocentric  ethnocentric  eugenic  ferromagnetic  geomagnetic  teratogenic  apoplectic  dyslexic  dyspeptic  heliocentric  hysteric  inauthentic  peripatetic  allergenic  antipathetic  evangelic  homiletic  leukaemic  photogenic  exegetic  hypoallergenic  telekinetic  psychokinetic  telegenic  copacetic  dyslectic  systemic  hydroelectric  photosynthetic  unsympathetic  biosynthetic  cryogenic  iatrogenic  isoelectric  kinesthetic  mutagenic  neurogenic  neuroleptic  paramagnetic  piezoelectric  psychedelic  alphanumeric  androgenic  anthropocentric  ionospheric  cataleptic  nonmagnetic  paraplegic  polytechnic  pyrotechnic  nonathletic  unesthetic  schizophrenic  anthropogenic  antidiuretic  psychogenic  neurasthenic  nonacademic  unapologetic  calisthenic  narcoleptic  electromagnetic  carcinogenic  parasympathetic  pharmacokinetic  hallucinogenic  onomatopoetic  callisthenic