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