Here's what rhymes with weightly.
                        
                        
                    
                                lately  greatly  stately  innately  irately  sedately  ornately  straightly  desolately  profligately  disconsolately  Words that almost rhyme with weightly
ably  shapely  stably  staidly  unshapely  unstably  shamefacedly  barefacedly  recognisably  eighty  weighty  daily  mainly  namely  safely  faintly  vaguely  gaily  saintly  vainly  wavy  ainsi  asi  basely  gayly  quaintly  lamely  sagely  tamely  wadi  bailey  chastely  gamely  sanely  paisley  palely  achy  matey  saintlier  baby  lady  safety  maybe  plainly  navy  gravely  hasty  lazy  rainy  bravely  dainty  facie  hazy  seine  shady  shaky  tasty  daisy  pasty  racy  lacy  mangy  platy  rangy  zany  cagey  dazedly  inanely  opaquely  cagy  frailly  majorly  quaky  pacey  crazy  frailty  gravy  pastry  clayey  ungainly  flaky  grainy  insanely  precis  regale  savoury  brainy  snaky  stagey  strati  averagely  spacey  stagy  archaically  unsafely  rubati  strangely  humanely  scrapie  profanely  chickadee  milady  concavely  mundanely  chocolaty  staccati  unsavoury  chaplaincy  ukulele  crybaby  overhasty  charlady  pizzicati  obbligati  miscellany  inhumanely  cockamamie  intestacy  saleslady  magistracy  hippopotami