Here's what rhymes with biocidal.
                        
                        
                    
                                sidewall  sidle  tidal  bridle  suicidal  bridal  genocidal  germicidal  herbicidal  parricidal  homicidal  spermicidal  matricidal  intertidal  fratricidal  fungicidal  bactericidal  insecticidal  Words that almost rhyme with biocidal
vital  sible  title  libel  recital  bible  tribal  disciple  scribal  surtitle  entitle  archetypal  final  cycle  viral  vinyl  vial  viol  arrival  survival  rival  spinal  rifle  spiral  dial  stifle  biol  rial  lisle  snivel  trial  revival  frightful  mitral  skilful  trifle  vaginal  mindful  primal  rightful  archival  recycle  incisal  spiteful  direful  guileful  denial  atrial  motorcycle  parenchymal  polyvinyl  unmindful  unskilful  redial  kilocycle  unicycle  delightful  reprisal  antiviral  pretrial  mistrial  retrial  semifinal  mesenchymal  cerebrospinal