Here's what rhymes with benadryl.
                        
                        
                    
                                Words that almost rhyme with benadryl
laetrile  enable  naval  nasal  maple  natal  navel  ladle  table  unable  cable  faithful  fatal  label  painful  racial  basal  facial  cradle  fable  papal  shameful  gable  hazel  sable  baleful  baneful  gainful  wakeful  bagel  pailful  stable  spatial  graceful  glacial  staple  fateful  hateful  playful  prenatal  wasteful  disable  unfaithful  palatial  tasteful  biracial  bacchanal  singable  flavourful  felafel  pailsful  grateful  appraisal  unstable  betrayal  cranial  neonatal  interracial  postnatal  archangel  disdainful  nonfatal  ungraceful  nonracial  plateful  postnasal  relabel  mislabel  defrayal  portrayal  disgraceful  distasteful  ungrateful  interglacial  worktable  metastable  multiracial  reappraisal  analysable  craniofacial  reimbursable