Here's what rhymes with syngeneis.
                        
                        
                    
                                knees  these  trees  please  sees  fees  breeze  cheese  keys  seas  seize  bees  peas  pleas  teas  tease  unease  internees  sneeze  leas  lees  pease  tees  wheeze  hies  pees  disease  indices  freeze  appease  trainees  fleas  frees  frieze  flees  skis  threes  chemise  matinees  posies  sprees  tepees  sarees  sleaze  sties  degrees  agrees  decrees  diocese  rupees  squeeze  appointees  dioceses  emphases  nominees  attendees  detainees  displease  lessees  syntheses  mortise  palsies  returnees  trapeze  chickpeas  dungarees  honeybees  invitees  nobodies  parolees  inductees  manatees  screes  trochees  expertise  guarantees  overseas  trustees  manganese  devotees  appendices  interviewees  foresees  grandees  grantees  referees  retirees  absentees  addressees  conferees  franchisees  guaranties  legatees  oversees  amputees  antifreeze  draftees  escapees  scrutinise  soirees  chickadees  debauchees  enlistees  jubilees  pharisees  analyses  parentheses  disagrees  isosceles  licensees  consignees  deportees  divorcees  abductees  argosies  bumblebees  hypotheses  idiosyncrasies  Words that almost rhyme with syngeneis
niece  leave  peace  chief  piece  beneath  brief  teeth  cease  leaf  beef  breathe  lease  naive  reef  sheath  thief  weave  geese  wreath  fief  heath  heave  leash  sheaf  lief  reeve  sheave  seethe  bereave  quiche  sheathe  wreathe  believe  increase  belief  police  achieve  grief  perceive  underneath  deceive  grease  motif  sleeve  apiece  grieve  obese  cleave  crease  decease  fleece  centerpiece  massif  unleash  interweave  modernise  cerise  interleave  receive  decrease  release  relief  conceive  relieve  retrieve  caprice  unbelief  bequeath  harmonise  reprieve  pastiche  serif  undeceive  baksheesh  debrief  synchronise  tailpiece  prestige  recognise  masterpiece  disbelief  disbelieve  altarpiece  leitmotif  colonise  flyleaf  overleaf  patronise  surcease  antagonise  legalese  mantelpiece  mortgagees  aperitif  misconceive  cloverleaf  revolutionise  means  needs  meals  kneels  seems  leaves  feels  leads  deals  deeds  dreams  genes  reads  scenes  seeds  teams  themes  beads  beams  beans  hears  heels  wheels  breeds  feeds  intrigues  leagues  seals  teens  thieves  weeds  breathes  jeans  leans  marines  reeds  seams  tiers  deems  heals  liens  pleads  reels  seers  shears  sheaves  weaves  bleeds  deans  impedes  jeers  peals  heaves  keels  peels  reales  reams  teems  beeves  cedes  heeds  tweeds  anneals  demeans  reeves  seethes  weans  wheals  wreathes  fields  believes  ideals  machines  schemes  streams  yields  appeals  speeds  achieves  perceives  sleeves  creeds  greens  queens  shields  steels  gleams  intervenes  steals  steeds  cleans  cleaves  creams  deceives  fiends  grieves  wields  spleens  centipedes  fiords  steams  beseems  endears  grebes  interweaves  swedes  proceeds  receives  reveals  exceeds  extremes  regimes  precedes  routines  screens  conceives  screams  submarines  conceals  concedes  fatigues  figurines  misdeeds  ravines  relieves  buccaneers  canteens  latrines  ordeals  recedes  retrieves  sardines  esteems  misleads  purines  racemes  redeems  squeals  villeins  accedes  convenes  limousines  repeals  tambourines  congeals  misreads  nosebleeds  reprieves  screeds  stampedes  tangerines  magazines  automobiles  succeeds  vaccines  amphetamines  evergreens  supersedes  supervenes  cuisines  libertines  overhears  philistines  smithereens  sunscreens  disbelieves  millipedes  puppeteers  snowmobiles  cornfields  fricatives  musketeers  brigantines  pyrimidines  recitatives  greenhorns  battlefields  subroutines  bibliophiles  quarantines