Here's what rhymes with gainin.
                        
                        
                    
                                Words that almost rhyme with gainin
gaining  aiming  gaming  raining  reigning  waning  chaining  feigning  craning  training  claiming  naming  attaining  staining  draining  regaining  taming  maiming  shaming  containing  remaining  obtaining  pertaining  retaining  framing  blaming  campaigning  flaming  straining  detaining  ordaining  explaining  maintaining  complaining  sustaining  ascertaining  appertaining  retraining  abstaining  reclaiming  refraining  renaming  declaiming  disdaining  entertaining  proclaiming  restraining  constraining  exclaiming  disclaiming  inflaming  uncomplaining  raisin  salesmen  statesmen  riboflavin