Here's what rhymes with gaiety.
                        
                        
                    
                                laity  Words that almost rhyme with gaiety
cagily  agency  fatally  papacy  racially  gainfully  crazily  capably  shakily  facially  glacially  hazily  nasally  weightily  racily  shadily  faithfully  hastily  masonry  painfully  patiently  vacancy  gracefully  graciously  gratefully  latency  spatially  aimlessly  anciently  courageously  famously  playfully  daintily  shamefully  nakedly  balefully  fatefully  cravenly  hatefully  heinously  tastily  salacity  wakefully  agelessly  blatantly  shamelessly  tastefully  vagrancy  adjacency  brazenly  matronly  painlessly  audaciously  wastefully  spaciously  adjacently  ashamedly  blatancy  elatedly  faithlessly  gracelessly  throatily  weightlessly  changeably  namelessly  shapelessly  capaciously  incapably  palatially  impatiently  tenaciously  belatedly  outrageously  flagrantly  voraciously  efficaciously  prenatally  ungraciously  ungratefully  insatiably  vivaciously  blamelessly  fallaciously  ungracefully  unshakably  vexatiously  contagiously  flagrancy  fragrantly  tastelessly  unfaithfully  unshakeably  loquaciously  salaciously  brainlessly  complacency  mistakenly  complacently  disdainfully  inescapably  interagency  disgracefully  unashamedly  freemasonry  flirtatiously  complaisantly  mendaciously  pertinaciously  distastefully  perspicaciously  quantitatively  unmistakably  advantageously  interchangeably  computationally  ostentatiously  organizationally  organisationally  calculatedly  disputatiously  disadvantageously