Here's what rhymes with reassertion.
                        
                        
                    
                                assertion  insertion  coercion  exertion  desertion  reinsertion  overexertion  Words that almost rhyme with reassertion
version  aversion  person  perversion  burthen  worsen  personne  aspersion  conversion  diversion  immersion  inversion  reversion  subversion  dispersion  excursion  incursion  recursion  submersion  nonperson  introversion  interspersion  weatherperson  extraversion  animadversion  businessperson  extroversion  anchorperson  congressperson  certain  sermon  surgeon  zircon  burden  uncertain  urine  curtain  werden  turban  bourbon  sturgeon  worden  wurden  burgeon  mermen  determine  suburban  workman  churchmen  churchman  unburden  exurban  overburden  churchwarden  transferrin  interurban  neurosurgeon  predetermine  redetermine  trencherman