Here's what rhymes with underattended.
                        
                        
                    
                                attended  tended  upended  amended  offended  ascended  blended  subtended  untended  intended  depended  splendid  suspended  defended  descended  pretended  emended  extended  recommended  undefended  apprehended  condescended  superintended  overextended  reprehended  misapprehended  Words that almost rhyme with underattended
tented  rented  augmented  contented  cemented  fermented  presented  percentage  implemented  invented  oriented  resented  represented  documented  supplemented  reoriented  headed  wedded  petted  deadened  peddled  penciled  pencilled  pensioned  melded  pedaled  method  mentioned  tested  legged  threaded  beckoned  reddened  shredded  bareheaded  belted  beveled  fetid  bevelled  chested  deafened  meddled  jested  pebbled  petalled  second  affected  directed  attempted  protected  settled  arrested  legend  projected  indebted  melted  objected  protested  reckoned  rested  tempted  vested  welcomed  lessened  herald  leveled  levelled  nested  nestled  speckled  wrestled  breasted  revelled  sectioned  trebled  leavened  nettled  reveled  felted  foetid  hefted  connected  selected  suggested  collected  elected  threatened  assembled  detected  effected  erected  suspected  corrected  injected  contested  perfected  trembled  congested  dissected  ingested  lengthened  unsettled  crested  intrepid  disheveled  dishevelled  freckled  smelted  complexioned  embezzled  freshened  imperiled  semiarid  unmentioned  expected  reflected  infected  invested  neglected  questioned  manifested  strengthened  infested  intercepted  predestined  resettled  disassembled  dissembled  resembled  unquestioned  inflected  reassembled  reelected  millisecond  disinfected