Here's what rhymes with adjectivitis.
                        
                        
                    
                                gingivitis  conjunctivitis  Words that almost rhyme with adjectivitis
solicitous  felicitous  infelicitous  tinnitus  bigamous  indigenous  equivalence  frivolous  limitless  chivalrous  vividness  minimised  minuteness  villainous  epitomised  epitomise  stigmatise  equivocates  stimulus  synthesis  ambivalence  diligence  equivalents  vigilance  wickedness  cheerfulness  dissonance  mischievous  virulence  militants  silicates  umbilicus  littleness  polygamous  brittleness  fickleness  symbolise  legitimised  vertiginous  victimised  cheerlessness  ridiculous  filaments  antithesis  ligaments  meticulous  omnipotence  synchronous  sinfulness  fearlessness  singleness  sycophants  wilfulness  fearfulness  legitimates  nimbleness  visitants  willfulness  litigiousness  winsomeness  fitfulness  witlessness  timpanists  stimulants  unambiguous  articulates  asynchronous  dissidents  particulates  peristalsis  listlessness  predicaments  religiousness  precipitants  wistfulness  shiftlessness  ambitiousness  blissfulness  gesticulates  individuates  ministrants  skillfulness  assiduousness  cymbalists  magnificence  religionists  traditionalists  coreligionists  geosynchronous  grandiloquence  nutritiousness  nonequivalents  participants  abolitionists  imprisonments  prohibitionists  exhibitionists  repetitiousness  coalitionists  expeditiousness  surreptitiousness  nonparticipants