Here's what rhymes with hetein.
                        
                        
                    
                                pine  dine  tine  line  fine  nine  sign  mine  wine  shine  spine  thine  sine  vine  brine  sein  supine  cysteine  twine  whine  thymine  opine  stein  zine  design  divine  define  assign  benign  shrine  iodine  align  swine  affine  entwine  aline  decline  resign  refine  thiamine  centerline  hyperfine  malign  proline  saccharine  anodyne  enshrine  asinine  superfine  interline  celandine  cosign  confine  dopamine  endocrine  undermine  incline  atropine  palatine  pyridine  redefine  redesign  serpentine  underline  consign  recline  waterline  byzantine  realign  reassign  timberline  valentine  eglantine  alkaline  crystalline  borderline  epinephrine  turpentine  exocrine  imipramine  monoamine  anticline  recombine  calamine  columbine  intertwine  clementine  concubine  porcupine  crinoline  disincline  reconsign  lacustrine  norepinephrine  tetracycline  neuroendocrine  noncrystalline  polycrystalline  Words that almost rhyme with hetein
time  dime  beim  chime  chyme  prime  lime  rhyme  hym  rime  heing  mime  thyme  sauteing  crime  climb  sublime  overtime  anytime  clime  slime  grime  anteing  mistime  maritime  paradigm  onetime  summertime  dinnertime  suppertime  birdlime  begrime  lysozyme  mesenchyme  wintertime  flexitime  pantomime  environ