Here's what rhymes with undecaprenyl.
                        
                        
                    
                                mill  mil  nil  mille  will  until  till  bill  fill  hill  kill  chill  pill  sill  til  anil  gill  nihil  ville  chil  fil  fille  rill  untill  vill  wil  wilh  dill  shill  still  skill  drill  thrill  shrill  spill  ftill  grill  quill  uphill  grille  quelle  trill  twill  frill  gerbil  krill  swill  brill  watermill  downhill  instill  neutrophil  benzyl  instil  distil  distill  dunghill  freewill  overkill  daffodil  overfill  roadkill  fulfill  goodwill  carboxyl  quadrille  deshabille  dishabille  overspill  fiberfill  pigswill  hydroxyl  espadrille  eosinophil  Words that almost rhyme with undecaprenyl
near  mere  mir  amir  year  appear  dear  fear  beer  rear  deer  gear  peer  pioneer  shear  sheer  cheer  pier  premier  premiere  smear  sneer  veneer  feare  leer  veer  vere  vir  yeare  emir  jeer  sear  sere  rainier  brainier  runtier  clear  severe  career  sphere  frontier  adhere  queer  spear  steer  unclear  reappear  cashier  revere  auctioneer  inhere  domineer  blear  compeer  triumvir  balladeer  besmear  grainier  leafier  cornier  downier  atmosphere  disappear  engineer  sincere  volunteer  austere  brigadier  cavalier  persevere  souvenir  charioteer  cohere  privateer  servir  tapir  commandeer  gondolier  profiteer  vizir  mutineer  thornier  hornier  lavalier  bawdier  cushier  interfere  financier  biosphere  chandelier  chevalier  pamphleteer  yesteryear  bombardier  gazetteer  muleteer  bandolier  racketeer  killdeer  marketeer  electioneer  scrutineer  cafetiere  fusileer  junketeer  hemisphere  insincere  lithosphere  mountaineer  stratosphere  troposphere  acyclovir  hydrosphere  mesosphere  chanticleer  bandoleer  bathysphere  exosphere  conventioneer