Here's what rhymes with obtencidn.
                        
                        
                    
                                widen  beiden  Words that almost rhyme with obtencidn
heighten  enlighten  frighten  tighten  lighten  ripen  whiten  titan  brighten  pallidum  siren  hyphen  scion  siphon  hymen  syphon  horizon  lion  fibrin  bison  fireman  firemen  lichen  enliven  liken  liven  thriven  baryon  prion  lineman  linemen  pinyon  finespun  bedizen  billycan  funnyman  aphelion  cotyledon  linesman  veniremen  dandelion  dicotyledon  perihelion  monocotyledon