Here's what rhymes with crystaloids.
                        
                        
                    
                                avoids  voids  choroids  adenoids  alkaloids  asteroids  hemorrhoids  haemorrhoids  solenoids  paranoids  cuboids  carotenoids  anthropoids  mongoloids  humanoids  Words that almost rhyme with crystaloids
droits  quoits  introits  loins  roils  purloins  boys  noise  soils  coins  coils  joins  joys  toys  boils  moins  poise  toils  foils  adjoins  annoys  groins  broils  ploys  groynes  cloys  doyens  moils  destroys  spoils  sepoys  deploys  recoils  rejoins  viceroys  quoins  subjoins  trefoils  goitres  uncoils  sirloins  tenderloins  reboils  employs  enjoys  employes  enjoins  conjoins  despoils  hydrofoils  embroils  killjoys  gumboils  overjoys  reemploys  corduroys  redeploys  reconnoitres