Here's what rhymes with pyriform.
                        
                        
                    
                                form  farm  harm  forme  reform  warm  charm  inform  storm  norm  swarm  disarm  dorm  rewarm  perform  alarm  forearm  deform  firearm  preform  rearm  overarm  uniform  conform  lukewarm  fusiform  nonfarm  cruciform  yardarm  transform  chloroform  multiform  outperform  underarm  vermiform  schoolmarm  misinform  cuneiform  thunderstorm  nonuniform  Words that almost rhyme with pyriform
horn  psalm  thorn  shorn  born  corn  borne  torn  worn  barn  warn  scorn  sworn  yarn  morn  mourn  darn  porn  tarn  lorn  adorn  forlorn  reborn  forborne  lowborn  unborn  outworn  unicorn  forewarn  lovelorn  timeworn  unworn  firstborn  stillborn  careworn  forsworn  peppercorn  foresworn  sweetcorn  waterborne  homme  vom  som  com  calm  bomb  palm  mom  bom  balm  nom  rom  tom  dom  mam  suam  pom  iamb  quam  prom  embalm  qualm  salaam  becalm  aplomb  consomme  firebomb  intercom  pogrom  supermom  cardamom